Curious what answers SN has. It's been asked here before - the standard answer is "apply your skills to bitcoin." But then there's this ...
In fact, there are so many bitcoin podcasts to listen to, I often opt to listen to none. It’s the ‘finding signal in the noise’ problem ... We want managed growth because we want to be sure that our efforts are strengthening each other, not weakening.
I don't mean to programmer-splain, but @tip_nz's success suggests a solution - we need fewer artists recreating prior art and instead the art only they can create. Naval calls this specific knowledge.
This applies to programming too. At some point, nostr doesn't need more clients and would benefit instead from smarter relays or discovery services or protocol layers/extensions.