> of being tradeable on central exchanges

That's a good signal that the privacy guarantees are real, no? It's no secret that the main use-case for crypto is skirting the legal system; I'm not sure I understand this desire to make it anything bigger than that. For example, it's extremely hard to Be Your Own Bank because one mistake means you've just lost all your funds whether it's from a scam, malware, or losing your wallet seed phrase. Large amounts of people "being their own bank" by putting their life savings into crypto would be a disaster.