Beavis & Butthead's success directly led to a proliferation of eugenics being an acceptable idea by making Mike Judge successful enough to make Idiocracy
Cube I'd still think the bling-rap spearheaded by Puff Daddy and Mase in 1995 was a lot worse than Souls of Mischief, Paris, A Tribe Called Quest, Arrested Development, Pharcyde and stuff.
In a lot of ways, the first half of the 90s was a lot better, the latter half pretty much sucked.