Earlier quoted context omitted.
It's abuse and theft, plain and simple. Replace "domain" with literally any physical object. You can't just take someone else's shit, no matter how high-and-mighty you think you are (excepting governments, of course).
Oh, if anyone wants to argue that it’s “in the TOS” that sounds like a contract no normal person would sign and likely not enforceable (IANAL) if pushed. No “sane” person would say, “yeah, if you think I’m doing something wrong, just sell all my shit!”
I wonder how many customers domains Cloudflare stole/deleted who’s owner didn’t have the luxury of knowing the Hacker News publicity trick?