He talks about inability of ECDSA to encrypt messages and the privacy issues this holds, not about “there should be no messages on Bitcoin blockchain”.
Discussion
He says "It would be unwise to have permanently recorded plaintext messages for everyone to see. It would be an accident waiting to happen." And you know what? He was absolutely right. As evidenced by BSV making the EXACT SAME CHANGE. You know what happened? Immediate CSAM on the blockchain. Apparently Core wants to not learn from Craig Write's mistakes and copy BSV. #Enshitcoinification
imaging thinking that was a dunk, embarrassing 😂