(As an aside Parler was idiotic for not running on their own hardware given they were billing themselves as the censorship resistant twitter, but that's neither here nor there)
Which ends up being mostly used for PR, and causes occasional drama when some employees' view conflict with tech sphere's most vocal views. Notice the swift and harsh reactions of Google and other tech companies in those cases: that's what happens when their revenue is threatened.
> I also can’t help but think that having so much revenue and de-facto monopolies means they are comfortable with alienating “the other side”.
It doesn't really matter what "the other side" thinks. All "sides" are using YouTube and buying Android phones anyway, because they have very few other options. And all "sides" are equally good targets for advertising.
Google isn't worried about people migrating off YouTube because of these actions. They're worried about regulators, who are looking at content moderation practices and considering meddling in that space - which would be very threatening to YouTube's revenue.