Seizing tge domain to auction it at x100 the price?
No, I don't think so.
Yeah, but their treatment was terrible.
Sanctions force them to treat you terrible, it is the intended effect of sanctions.
Don't you say. You don't even know what was that horrible treatment exactly - didn't even ask, why would you, right? - but you've promptly explained to the guy that it was his fucking fault - he's from the sanctioned country after all, he should know his place and be quiet. You guys are just adorable, aren't you?