The holocaust not only purged some of the most iconic streams, but also started the permfaggotry that restricted almost all of the games and contant the chuubas wanted to stream.
Rushia on the other hand, was a sour chapter in Hololive's history that ended with a nuclear explosion, but everyone's moved on and she has no power over anyone anymore -Unless she does go full menhera and starts spewing secrets about the remaining talents-
Meanwhile, the holocaust's consequences remain relevant today.