I have to ask, what exactly is so bad about GG?
It is an extremely deep game, that uses many of the initial mechanics of other 2D fighting games, but gives benefits to be on offense, rather than defense, as in CvS. It causes you to actually fight, rather than spamming fireballs at each other, and uppercutting them when they jump in. I mean, Yeah, SF2 is great, but it is so two dimensional (no pun intended). Most of the game is played by repeated fireballs and Shoryukens. Dhalsim pokes, Zangief grabs, and Sagat “Tiger Tiger Tiger Tiger Tiger Tiger Tiger Tiger!”'s. It’s straightforward, and if you love it, that’s fine. But don’t go bashing on GG.
I see GG’s depth, just because all of the characters are so different. You don’t get clones, or “Shotos”, or even spammable characters. On top of that, it adds in a unique battle system by introducing the Burst, which works as a functional Combo Breaker, that can be used once (or twice depending on the length of the fight) per match. It adds in Cancels that were put in the game intentionally, not glitches, that add a mentality for improvisation, not predetermined combos. The FRC is rarely used(I only use it if I need to retreat with Slayer).
I don’t see why all of the old school fighters hate GG so much. It is a deep fighting game. It doesn’t have O. Sagat, or Sentinel/Magneto/Storm or Yun. The closest thing to any of that is Ogawa’s Eddie.
I could see disliking the game because you are accustomed to Street Fighter, KoF, MvC, CvS, or whatever, but saying it’s a bad game because it’s unique is like saying freeing the slaves was bad.