o.O Granted, I never played 2 or 3 that much. But I'm having trouble coming up with plausible scenarios in any of the FF games that would justify nudity. Are you sure they weren't hacked to have nudity, rather than being uncensored

FFX revels at any opportunity to put the camera right up Rikku's ass, and Terra gets naked when she transforms into an ethereal being. But those are the only two things I can think of that could possibly be sexualized, and neither require censorship. I may just be ignorant of the details though