On Nostr it will be the other way around. Clients will eventually consider serving ads if users don’t agree to pay to use them.
Discussion
I’ve said it in the past, if I as a consumer got input on what topic, how many and got some recompense, I’d rather that than those building nostr clients be struggling financially. Similar to the Brave browser model.
Hell. I’d arbitrate those wanting to advertise so it’s not bs spammy stuff.
Win win win