Fear is the enforcement mechanism because it can't be challenged in court.
It is long past time for everyone in tech to take a long hard look at the current situation and stop doing anything that financially benefits Musk, Ellison, or Thiel.
Chilling effect has a long history of being well considered as unconstitutional harm in the courts
https://firstamendment.mtsu.edu/article/chilling-effect/
Chilling effect has a long history of being well considered as unconstitutional harm in the courts
https://firstamendment.mtsu.edu/article/chilling-effect/