[tomjen3]

The problem is that if you give in once, or are perceived to give in, then not only will both sides hate you for it, but you will be under even more pressure to give in next time.

To run something like Cloudflare you probably have to have the rule that you will not block services for anyone under any circumstances unless ordered to by a court, or they advocate for a blocking campaign against you, or host content that does. In this case they would have let kf of, but block Twitter.