Wait so your point is that if Cloudflare (or anybody?) doesn't want to do business with lying Nazis, then, the world is on an inexorable slippery slope to totalitarian fascism? That's obviously false.
That perspective is how being wrong looks here. Its an incredible shortsightedness, you have no basis for that degree of certainty. For starters, if it was so obvious you could explain how.
We are talking about a barrier to enter public discourse enforced through DDOS, not freedom to do business with whom you please. This robs you of the ability to self host. With zero checks and balances. You being certain that the likes of the daily stormer shouldnt exist in the public discourse doesnt absolve you of the responsibility for the delete function you just created. For which you have zero concern. That is how a totalitarian slope looks, totalitarians prick holes into the public discourse with no regards for the safe use of such holes. Unsurprising as there is no safe way to do this. Its building a horrific weapon with no targeting mechanism or safety.
You having made yourself a totalitarian through your flagrant disregard for the consequences of your actions. Your error lies in believing your intention matters more then the outcome. To the degree that safeguards became unnecessary. You could and should know better, reality always wants its toll for such behavior.
edit: Please check the comment a bit down starting with " Naive being the key point." on the use of the term totalitarian. I also mentioned stuff to read on the topic by people a lot more capable then me and and hopefully a lot harder to ignore.