The lack of DWIII and excess damage taken from TP moves undermines the utility of the sub MNK. Perhaps that's what he means.
Code:
<sets>
<group name="Abyssea-R">
<set name="Idle" baseset="PDT">
<hands>Serpentes Cuffs</hands>
<feet>Serpentes Sabots</feet>
<legs>Homam Cosciales</legs>
<body>Mavi Mintan +2</body>
<head>Wivre Hairpin</head>
</set>
<set name="PDT">
<main>Shamshir +2</main>
<body>Dst. Harness +1</body>
<neck>Twilight Torque</neck>
<head>Darksteel Cap +1</head>
<legs>Dst. Subligar +1</legs>
<back>Umbra Cape</back>
<sub>Genbu's Shield</sub>
<lring>Dark Ring</lring>
<rring>Dark Ring</rring>
</set>
<set name="MDT">
<rring>Dark Ring</rring>
<neck>Twilight Torque</neck>
<rear>Merman's Earring</rear>
<hands>Coral Fng. Gnt. +1</hands>
<legs>Coral Cuisses +1</legs>
<feet>Coral Greaves +1</feet>
<lring>Dark Ring</lring>
<lear>Merman's Earring</lear>
</set>
<set name="Fast Cast">
<main>Isador</main>
<body>Mavi Mintan +2</body>
<legs>Homam Cosciales</legs>
</set>
<set name="TP-Refresh">
<body>Mavi Mintan +2</body>
</set>
<set name="Haste">
<head>Mavi Kavuk +2</head>
<body>Mavi Mintan +2</body>
<legs>Mavi Tayt +2</legs>
<hands>Homam Manopolas</hands>
<feet>Homam Gambieras</feet>
<waist>Twilight Belt</waist>
</set>
<set name="TP-Haste">
<head>Mavi Kavuk +2</head>
<body>Loki's Kaftan</body>
<legs>Mavi Tayt +2</legs>
<hands>Homam Manopolas</hands>
<ammo>Thunder Sachet</ammo>
<feet>Homam Gambieras</feet>
<waist>Twilight Belt</waist>
<back>Atheling Mantle</back>
<rear>Suppanomimi</rear>
<rring>Rajas Ring</rring>
<neck>Orochi Nodowa</neck>
<lear>Brutal Earring</lear>
<lring>Epona's Ring</lring>
</set>
<set name="TP-Evasion" baseset="TP-Haste">
<hands>Ocelot Gloves</hands>
<legs>Ocelot Trousers</legs>
<rear>Novia Earring</rear>
<back>Boxer's Mantle</back>
<neck>Torero Torque</neck>
<lear>Musical Earring</lear>
</set>
<set name="Full Evasion" baseset="TP-Evasion" />
<set name="Chant du Cygne">
<body>Loki's Kaftan</body>
<hands>Enkidu's Mittens</hands>
<rring>Rajas Ring</rring>
<back>Atheling Mantle</back>
<rear>Suppanomimi</rear>
<waist>Cuchulain's Belt</waist>
<legs>Tumbler Trunks</legs>
<feet>Lithe Boots</feet>
<head>Aias Bonnet</head>
<neck>Snow Gorget</neck>
<lear>Brutal Earring</lear>
<lring>Epona's Ring</lring>
<ammo>Thunder Sachet</ammo>
</set>
<set name="Sanguine Blade">
<body>Teal Saio</body>
<hands>Mavi Bazuband +2</hands>
<feet>Mavi Basmak +2</feet>
<rear>Hecate's Earring</rear>
<rring>Diamond Ring</rring>
<legs>Teal Slops</legs>
<waist>Penitent's Rope</waist>
<back>Potentia Cape</back>
<head>Teal Chapeau</head>
<neck>Artemis' Medal</neck>
<lear>Moldavite Earring</lear>
<lring>Spiral Ring</lring>
</set>
<set name="Savage Blade" baseset="WS Base">
<body>Magus Jubbah +1</body>
<hands>Heafoc Mitts</hands>
<legs>Mavi Tayt +2</legs>
<feet>Areion's Gamashes</feet>
<waist>Cuchulain's Belt</waist>
<rear>Suppanomimi</rear>
<back>Atheling Mantle</back>
<rring>Rajas Ring</rring>
<head>Aias Bonnet</head>
<neck>Kubira Beads</neck>
<lear>Brutal Earring</lear>
<lring>Spiral Ring</lring>
</set>
<set name="Expiacion" baseset="WS Base" />
<set name="Vorpal Blade" baseset="Chant du Cygne" />
<set name="WS Base">
<body>Magus Jubbah +1</body>
<hands>Heafoc Mitts</hands>
<legs>Mavi Tayt +2</legs>
<feet>Areion's Gamashes</feet>
<waist>Cuchulain's Belt</waist>
<rear>Suppanomimi</rear>
<back>Atheling Mantle</back>
<rring>Rajas Ring</rring>
<head>Aias Bonnet</head>
<neck>Kubira Beads</neck>
<lear>Brutal Earring</lear>
<lring>Spiral Ring</lring>
</set>
<set name="Blue Magic Skill">
<body>Magus Jubbah +1</body>
<ammo>Mavi Tathlum</ammo>
<hands>Symbios Gloves</hands>
<neck>Mavi Scarf</neck>
<legs>Mavi Tayt +2</legs>
<head>Mirage Keffiyeh</head>
</set>
<set name="Physical-STR" baseset="Blue Magic Skill">
<hands>Heafoc Mitts</hands>
<head>Aias Bonnet</head>
<neck>Ire Torque</neck>
<rring>Rajas Ring</rring>
<rear>Tmph. Earring +1</rear>
<waist>Warwolf Belt</waist>
<back>Potentia Cape</back>
<feet>Areion's Gamashes</feet>
<lring>Strigoi Ring</lring>
<lear>Triumph Earring</lear>
</set>
<set name="Physical-DEX-N" baseset="Physical-STR">
<back>Vigilance Mantle+1</back>
</set>
<set name="Physical-DEX-CA" baseset="Physical-DEX-N">
<head>Mavi Kavuk +2</head>
<body>Loki's Kaftan</body>
<hands>Enkidu's Mittens</hands>
<lring>Jupiter's Ring</lring>
<feet>Lithe Boots</feet>
</set>
<set name="Physical-AGI-N" baseset="Physical-STR">
<hands>Enkidu's Mittens</hands>
<neck>Kubira Beads</neck>
</set>
<set name="Physical-AGI-CA" baseset="Physical-AGI-N">
<head>Mavi Kavuk +2</head>
<body>Loki's Kaftan</body>
<feet>Lithe Boots</feet>
<hands>Ocelot Gloves</hands>
<rear>Suppanomimi</rear>
</set>
<set name="Physical-STR:DEX-N" baseset="Physical-STR">
<back>Vigilance Mantle+1</back>
<neck>Kubira Beads</neck>
</set>
<set name="Physical-STR:DEX-CA" baseset="Physical-STR:DEX-N">
<head>Mavi Kavuk +2</head>
</set>
<set name="Physical-STR:VIT-N" baseset="Physical-STR">
<lring>Spiral Ring</lring>
</set>
<set name="Physical-STR:VIT-CA" baseset="Physical-STR:VIT-N">
<head>Mavi Kavuk +2</head>
</set>
<set name="Head Butt-MagicACC" baseset="TP-Haste">
<body>Mavi Mintan +2</body>
<lring>Spiral Ring</lring>
<rring>Diamond Ring</rring>
<feet>Mavi Basmak +2</feet>
<hands>Mavi Bazuband +2</hands>
<head>Mirage Keffiyeh</head>
<ammo>Mavi Tathlum</ammo>
<waist>Penitent's Rope</waist>
<legs>Mavi Tayt +2</legs>
<back>Potentia Cape</back>
<neck>Artemis' Medal</neck>
</set>
<set name="Head Butt-Haste" baseset="TP-Haste">
<hands>Mavi Bazuband +2</hands>
<body>Mavi Mintan +2</body>
</set>
<set name="Magical-INT">
<main>$Staff-%SpellElement</main>
<body>Teal Saio</body>
<head>Teal Chapeau</head>
<legs>Teal Slops</legs>
<hands>Mavi Bazuband +2</hands>
<ammo>Mavi Tathlum</ammo>
<rring>Diamond Ring</rring>
<feet>Mavi Basmak +2</feet>
<rear>Hecate's Earring</rear>
<neck>Artemis' Medal</neck>
<lring>Spiral Ring</lring>
<waist>Penitent's Rope</waist>
<back>Potentia Cape</back>
<lear>Moldavite Earring</lear>
</set>
<set name="Magical-MND" baseset="Magical-INT" />
<set name="Magical-CHR" baseset="Magical-INT" />
<set name="Thermal Pulse-N" baseset="Magical-INT">
<main>Vulcan's Staff</main>
<sub>Bugard Strap +1</sub>
</set>
<set name="Thermal Pulse-BA" baseset="Thermal Pulse-N">
<waist>Warwolf Belt</waist>
</set>
<set name="Charged Whisker-N" baseset="Magical-INT">
<body>Teal Saio</body>
<legs>Teal Slops</legs>
<feet>Mavi Basmak +2</feet>
<hands>Mavi Bazuband +2</hands>
<waist>Cuchulain's Belt</waist>
<back>Vigilance Mantle+1</back>
<rring>Rajas Ring</rring>
<head>Aias Bonnet</head>
<neck>Artemis' Medal</neck>
<rear>Hecate's Earring</rear>
<ammo>Thunder Sachet</ammo>
<lring>Jupiter's Ring</lring>
<sub>Brass Grip +1</sub>
<lear>Moldavite Earring</lear>
</set>
<set name="Charged Whisker-BA" baseset="Charged Whisker-N">
<body>Loki's Kaftan</body>
<legs>Mavi Tayt +2</legs>
</set>
<set name="Evryone. Grudge-N" baseset="Magical-INT" />
<set name="Evryone. Grudge-BA" baseset="Evryone. Grudge-N" />
<set name="Cure-Potency">
<main>$Staff-Light</main>
<hands>Serpentes Cuffs</hands>
<feet>Serpentes Sabots</feet>
<waist>Penitent's Rope</waist>
<legs>Teal Slops</legs>
<body>Teal Saio</body>
<head>Teal Chapeau</head>
</set>
<set name="Cure-EnmityPlus" baseset="Cure-Potency">
<head>Mavi Kavuk +2</head>
</set>
<set name="Cure-EnmityMinus" baseset="Cure-Potency">
<hands>Mavi Bazuband +2</hands>
<feet>Mavi Basmak +2</feet>
<rring>Trooper's Ring</rring>
<rear>Novia Earring</rear>
<lear>Delta Earring</lear>
<lring>Metanoia Ring</lring>
</set>
<set name="Magic Accuracy">
<main>$Staff-%SpellElement</main>
<body>Mavi Mintan +2</body>
<feet>Mavi Basmak +2</feet>
<legs>Mavi Tayt +2</legs>
<ammo>Mavi Tathlum</ammo>
<head>Mirage Keffiyeh</head>
<rring>Diamond Ring</rring>
<back>Potentia Cape</back>
<waist>Penitent's Rope</waist>
<lring>Spiral Ring</lring>
<hands>Mavi Bazuband +2</hands>
</set>
<set name="Spell Interruption">
<head>Nashira Turban</head>
<main>Eremite's Wand</main>
<neck>Willpower Torque</neck>
<legs>Magus Shalwar</legs>
<waist>Emphatikos Rope</waist>
<feet>Karasutengu</feet>
<sub>Eremite's Wand</sub>
</set>
<set name="Breath" baseset="TP-Haste">
<main>$Staff-%SpellElement</main>
<rring>Meridian Ring</rring>
<body>Mavi Mintan +2</body>
<neck>Ardor Pendant</neck>
<lear>Bloodgem Earring</lear>
<hands>Homam Manopolas</hands>
<feet>Homam Gambieras</feet>
<lring>Bomb Queen Ring</lring>
</set>
<set name="Convert">
<hands>Homam Manopolas</hands>
</set>
<set name="Resting">
<main>Pluto's Staff</main>
</set>
</group>
<group name="Abyssea-NM" inherit="Abyssea-R"/>
<group name="Outside-R" inherit="Abyssea-R" default="yes"/>
<group name="Outside-NM" inherit="Outside-R"/>
</sets>
Convert/Full Evasion set and other groups aren't filled out yet.