Grew up with the series and FF1, 4-7, and 9 were absolutely fantastic games. Nothing like them available on consoles at the time, even though DQ1 was my first RPG, FF1 looked miles ahead of it and that's where I first got hooked. Bought a SNES for 4, PS1 for 7, a PS2 for 10, and a PS3 for MGS4 and 13. Still hoping one day another game in the series will capture the magic like those will, though I am not sure it will be 15 (tbh I'm much more into menu/turn-based RPGs than action RPGs so apart from the modern setting even when it was still Versus I wasn't really that caught up in the hype).
But even the games I don't like tend to at least have great soundtracks and interesting/out there settings.