nobody can stop

-> free market manipulation
-> bitcoin derivatives / shadow of bitcoin
-> nostr macro data collection

hidden / private relays cannot be extracted

certain admin of major relays block such bots/api or give away at a price

leave it to openworld forces - nostriches will not use such relays once they know its data harvesting or opt out for paid/free relays who dnot do that.

protocol is so far full proof
certain user give their data for freebie
others willnot or use multiple npubs