That's true. Also I guess domain names in most ideogram-based languages cannot be meaningfully converted to ASCII. The best detection method I'm aware of is detecting a mix of different alphabets in the domain, but I imagine even this has a lot of false positives
I mean, he’s in a similar situation as Toby fox. He has the freedom to spend as much time as he wants on developing updates without worrying about money, so he doesn’t need to charge anything or ask money from players.