Rebecca Blackwell/AP
- X CEO Linda Yaccarino reminded employees of X's principles in a memo on Thursday.
- Yaccarino appeared to back Elon Musk after he had foul words for former advertisers.
- Musk has accused exiting advertisers of trying to "kill the company."
Elon Musk — who in an interview on Wednesday told advertisers who fled X to "go fuck yourself" — has the full support of X CEO Linda Yaccarino.