There's a lot of thoughts.

First of all, I think we're at a time in gaming where most games where you shouldn't be expected to dig out an old console to play old games. If it isn't on current gen, there's a problem; thankfully, though, steam and mobile by their nature are in current gen with perpetuity and are the ideal place to release games so people can play them anytime, no matter how old they are.

And for that reason, I'm mostly okay with what Square Enix is doing. Yes, V/VI remake look like ass and they should redo it (I'd like them to use an art direction in the vein of I/II anniversary); VII remake is far more flashier and sexier than I ever asked for--and I'd rather the project was more modest (that said, VII really needed a full-on remake). VIII and IX could do wtih more touch-up, but SE seems to have managed that. And Dragon Quest, for what it's worth, has managed this beautifully with the entire series sans 7 and 9 having made its way to mobile.

I should mention I'm slightly bias since I only got into Final Fantasy since my interest in RPGs came about the same time SE was doing their GBA ports of FF, and I was only able to affordably play so many entries because of it.

Overall, I'm okay with what they're doing for the most part (although, the execution could be better); but this is a project should have an end date in mind so Square Enix can move on to new games.