deplatformed 

To disinvite a speaker from an event, usually at a college or university campus, due to controversy surrounding their views.

U.C. Berkeley deplatformed Richard Dawkins from the seminar on human biology due to his inflammatory comments on Islam.

deplatformed by Jimbonator May 14, 2018

de-platformed 

To be de-platformed is to have all of one's social media accounts suspended like tRumpty, and the Pillow Man's, Rudy Fooliani's, tRumpty Jr's and several others for advocating sedition.

It's about time that Trumpty has been de-platformed!

de-platformed by USAF Cadet January 16, 2021