Please actually read my reply Matt. I didn’t say it could not be used in BIP(3)21. I highlighted some of the privacy and bitcoin simplifying abstractions that would be lost if BIP(3)21 was the only way.

You seem to be very single minded. Your way is right, everyone not exclusively using your BIP(3)21 protocol is wrong. Shitty even.

You also say people can’t draw the analogy to cash. Meanwhile in Cuba: