And yet:
https://thebitcoinmanual.com/articles/paid-nostr-relay/
https://andreneves.xyz/p/the-rise-of-paid-nostr-relays
https://voltage.cloud/blog/nostr/the-essential-guide-to-nostr-relays/
This is not just about zapping developers, many share the view that paid relays are where Nostr is going, supposedly because that fixes spam. Now where have I heard this before?