I think it's more the open-world of the older FF games gave the illusion of freedom to do whatever you wanted. In some cases you could explore the shit out of the map before continuing the story, but most of the time you were sectioned off by a tall mountain range you couldn't get around or a river or ocean or etc that forced you to progress a certain specific direction.
Where as 13 up until Gran Pulse was literal tunnels with no side quests or exploration or etc. Not to mention it played like a tutorial until Gran Pulse too and leveling was capped and abilities were capped and etc etc until then too. 10 you could kind of sort of explore and grind and carve your party out and etc. 12 was like that too.
I know SE is all about amazing graphics and blah blah with the FF series, but would anyone be really upset if say, towns/caves/dungeons/etc were done beautifully and the open world map that connected it all was more toned down? Made like chibi-World of FF style or something akin to that? Obviously the big problem with making those world maps now is just how taxing it is to actually create it and how graphically demanding it is. But that shit worked wonderfully in FF7, 8 and 9.
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