Earlier quoted context omitted.
> They (KiwiFarms, Daily Stormer) would be better not on the internet. Who should decide that? Cloudflare? you?
Cloudflare. It's in the TOS. They're not a utility, so yes, they get to decide.
Their TOS gives them the lateral autonomy to decide what breaks the TOS, whether or not something violates their TOS, and how harsh of a punishment to enact.