This is basically hearsay. The claim in the title is based on this: "“Elon’s tweet does not match engineering reality per CJ,” Miguel Acosta, chief of the Cali

This is basically hearsay. The claim in the title is based on this: "“Elon’s tweet does not match engineering reality per CJ,” Miguel Acosta, chief of the California DMV’s autonomous vehicles branch, wrote in the memo" So someone in the CA BMV claims a Tesla engineer (CJ) said this, but doesn't quote them, and the article doesn't elaborate on it. Maybe it's true but they're clearly reaching a bit with the title.