Then I guess I'll have to repeat my top reply to you then.

"Relays can be authenticated. If you don't want your relay to accept data from anyone, don't leave it open. Same with any other Internet protocol."

If you don't want people to host illegal stuff on your server, do not run an open relay, an open FTP server, a social network, or an image host.

If you do, be prepared to have to work hard to keep bad actors at bay.

It's not strictly a NOSTR fault, and there is no reason why YOU need to run a relay.

Your comment is misleading and a little disingenuous: Nostr doesn't make you forward stuff. A client doesn't have to forward anything. It just connects to relays and subscribes to topics. Relay != client.