Anyone who wants to sue (or prosecute, if a prosecuter feels it's warranted) Cloudflare in the future when they're providing services to a site breaking the law. Common carrier doesn't apply to them, as they're not an ISP, but they've shown they make the choice, which doesn't help in front of a jury or judge.

I could see that. If true, that means that the CEO's revulsion of Nazis overcame his business sense. Which is completely expected.