It happens in China where freedom of speech is restricted but it looks like won't happen in the US since those who signed NDA still show their FSD beta on Youtube without editing out all the faults:
Man says Tesla is suing him for US$650,000 for ‘rogue company’ online posts
A man in China says Tesla is suing him for defamation after he published critical posts online. It comes after he won a separate lawsuit against Tesla for sales fraud.
www.scmp.com