According to a New York Times report, on Thursday, the U.S. government’s General Services Administration (GSA) removed the spoon emoji as an option that users of its videoconferencing platform can select to express themselves.
The move comes a day after workers embraced the digital cutlery to protest the Trump administration’s “Fork in the Road” resignation offer.
When the government is acting as an employer, they mostly aren’t constrained by the First Amendment in the way that they are when acting as the government.
https://en.wikipedia.org/wiki/United_States_free_speech_exceptions
Most on-the-job speech is probably going to fail the “pursuant to the employee’s job duties” test.