"It's like selling alcohol (cigarettes, porn, gambling), but not to minors." It's not like that at all, because selling to everyone other than minors requires

"It's like selling alcohol (cigarettes, porn, gambling), but not to minors." It's not like that at all, because selling to everyone other than minors requires identity. Sure, you just need to verify the subject is over 18, i.e. you don't need to know name, birth date or address. But you DO need to know identity to issue the token that provisions the token that proves an age > 18. And that breaks Tor's raison d'être.