> It’s not known which SpaceX employees wrote the letter; the employees who posted the letter in the internal chat system have not responded to requests for comment.

It says it was in contact with people who saw the letter, but nowhere implies it's the authors.

> The letter generated more than a hundred comments in the Teams channel, with many employees agreeing to the spirit of the missive, according to screenshots of the chat shared by two sources who spoke with The Verge and asked to remain anonymous.