It's kinda like saying that HTTP isn't good for kids because you can serve porn websites that way. If nostr were ever to become kid-friendly, it would require heavy filtering to control what events they're allowed to pull. Global is fine if you're only connected to relays that require all notes to...

Yeah I think that is possible, but right now I don't think nostr is kid-friendly. I'm not even really sure children should be anywhere near social media generally. Just an imo