"Exceedingly unsavory" as determined by whom? People have been kicked off for far vaguer reasons than openly talking about a "final solution". Many conservative e-personalities have been kicked off for ambiguous and yet unexplained violations, whether it is a specific thing they say or a general perception about their personalities or affiliations.
Official policies are strongly influenced by prevailing Leftist dogma as well. Questioning whether gender dysphoria (transgenderism) can be considered mental illness would be considered ban worthy on Twitter, in spite of evidence that many cases of transgenderism are either an example of herd following or some sort of dysphoric personally disorder.