Oh, tildes in web addresses break obscure old rules that don’t matter? Sounds pretty punk rock to me.
I really like tildes in URLs. It’s charming and feels homey.
There’s a security issue with samesite cookies but it’s a reasonable tradeoff for the sense of community on a tilde. Besides, most pages are meant to be static.
tilde.team also supports the /u/ and subdomain form for user pages: