Thanks for the reply. Your points are all valid and a focus in 3 and 4 solves the problem partially, but the downside is that people don't like spam so don't want small obscure relays so I don't think this will ever happen - people having 25 relays in their client.  But an even greater issue is that relay operators will come under pressure to censor from both  law enforcement and client users.  My fear is that Nostr ultimately has owners - client relay owners -who will always be held accountable either by govnts or by their customers.  The annonymity stops there and so then does censorship resistance.