More psychology in terms of backlash for trying to charge for things that were free prior or elsewhere. Even paid relays are not sustainable since a one time fee does not encourage relays to stay up long term. Forcing people to pay subscriptions is an antipattern to me for what nostr stand for. More a stopgap for spam issues.
Discussion
True True. I only see this as a small roadbump however as the real users aren't even here yet.