Nostr is a protocol. Apples and oranges with Gab.
All new technologies have the same “problem”. It won’t gain mass adoption because everyone isn’t already on it talking about everything.
I believe it will get there. Tomorrow? Not a chance. Eventually sure. We all have to constantly do our part as you say you’re doing.
Also what’s the alternative? Self censorship of people not to talk about Bitcoin (screw crypto I don’t follow people who talk about scams) and zaps?
People moved from the bird app to get away from doing that.