I don't care if someone in Argentina knows if I buy coffee with my Bitcoin.

I care if I buy something “illegal” and think I am safe.

I know the privacy outcome of using Bitcoin, I do not know the privacy outcome of a “private coin” nostr:note1lcgxqq6qv4aw6wjhnwu86jvf0mn5femg4lc9dg596xh67f0ch9psn79tqq