Primal is one of the least functional clients, especially considering the resources used to build it.
Regardless of that, the real reason we dont have more users is nostr.com which i control, its the ...
Nostr only appeals to a small subset of social media users. Explosive growth was always going to be hard. Focus on retention and organic growth. I’ve used primal for at least 2 years because it works relatively well and has features I like. It’s really not that hard.