Again, you sound like an antivaxxer, and you're ignoring his history of failure, including SPECIFICALLY FAILING AT ENCRYPTED DM BEFORE

https://www.theverge.com/2023/5/16/23725247/twitter-encrypted-dm-security-vulnerabilities-linda-yaccarino

You're questioning experts with absolutely no justification other than your own animosity, assuming the experts too are driven by animosity instead of true concerns