I don't like agreeing with the Cato institute, but the reality is that the FCC has long enjoyed excessive power to override the 1st amendment.

https://www.cato.org/blog/jimmy-kimmel-fcc-why-broadcasters-...

Fortunately MAGA doctrine requires overt and performative bullying, so these dinguses don't use the usual bureaucratic tricks and instead tweet "wE aRe cANcelLinG yOU!!!"