New users have zero web of trust but they using a large public relays instead. That's bad and is a failure that can be resolved by using the outbox model and smaller relays.
if I'm a new user and I reply to your post how will you or others see my reply?
Please Login to reply.
Clients need inbox support. They route the replies to the correct relays.
but if I'm a new user how can I send my reply to your closed relay?
and what if I just want to read what people have replied to you? I use your relays, but they're full of spam because you don't care