I love lightning and zaps, but the best solution for payments on Nostr is the one people will actually use, and in order for people to want to use payments, friction needs to be removed/reduced. I don’t think Monero necessarily fixes it either, because I imagine even fewer people have Monero than those with Bitcoin. But I do know that Bitcoiners by and large have a “hodl only, never-spend” mentality and that is extremely limiting on the network’s economic growth. Nostr needs seamless payments that people will actually use, Bitcoin or otherwise.