Isn't that how it's always been? The cap on gathering % is purely level based (your level vs the item's level), and you can't breach it until the next expansion raises our levels yet higher. Pretty sure the Lv66 stuff caps at 99%, Lv67 at 98%, etc. up to Lv70 items at 95%. Pretty sure even back at lv50 the Lv50 items were capped at 95%.