As someone that was born after the dream cast came out. I've always seen this debate as stupid. You can tell its perpetuated by people nostalgic for the argument itself because the snes was better, no contest.

Super metroid, megaman x, donkey kong country, Earthbound, kirby Super star, Final fantasy 6, a link to the past, chrono trigger, Yoshis island, super castlevania, secret of mana, super Mario world., f-zero, super Mario rpg

The genesis library does not compare, every genesis collection I've ever bought I stopped playing after I beat sonic 3, almost every other genesis game is a low quality beat em up. You know shits bad when people say altered beast is one of the best Genesis games, That game is TRASH