There is no reason nostr:npub1xtscya34g58tk0z605fvr788k263gsu6cy9x0mhnm87echrgufzsevkk5s is breaking any rules by having zaps on iOS.

Bitcoin is not legal "money". It is a "commodity"

As far as Apple is concerned, we are trading game tokens. Damus does not sell these game tokens, like how Fortnite sold V-Bucks on their website.

Damus makes absolutely no "money". They are given a digital commodity, and therefore, no monetary transactions ever take place.