Friendship is Magic, and Magic is Heresy.
I'd play 2e again, no question - just as I'd try some other system. Finding groups of people I like (and the time to play) is the real limitation.
it is no where near as balanced as 4e,Nostalgia is part of it, at least for some. But older editions of D&D are different enough they might as well be different games (different fantasy rpgs of course, but still). 5E did a remarkable job of putting all play styles under one roof, but it still lacks the openness of old-school D&D, and I guess it is not as satisfying as a miniature board game as 4E.
It seems to me this ends up being where the problem lies. All of the editions of D&D are so different: BCEMI from 1st & 2nd ed from 2nd ed with Skills and Powers from 3.x from 4E and from 5E. Some of the changes between editions are so radical that it becomes easy to say "I liked this more" or "This was better". It's not just nostalgia but also personal preference.it is no where near as balanced as 4e,
nor is it fun for people who want to play martial character/concepts but not be left out of the complex play or high level powers