No, San Andreas really wasn't anything like Saints Row. Was it crazier than GTA4? Absolutely. But it didn't go completely insane like SR3. That's all those SA fans want from GTA5. And from what little we know it does seem like they're moving back in that direction, or at least it won't be as serious as GTA4 often tried to be.
I don't have time to respond to him and this summed up what I wanted to say.