> Microsoft and Google weren't meeting in secret backrooms to censor this one channel

That's not the argument IMO. They don't have to be intentionally malicious in each action. A drunk driver doesn't want to kill a little girl in the road. Their prior choices shape the outcome of their later options. A drunk driver decides to get behind the wheel after drinking. A large company makes a decision to make more profit knowing there are repercussions and calculating the risk.