no-platforming

Anyone who has followed the free-speech wars in America over recent years will know that by now, basically, nobody can speak anywhere. - Richard Dawkins is dragged into America’s tedious free-speech war

отменили Докинса, с извинениями:

KPFA does not endorse hurtful speech. While KPFA emphatically supports serious free speech, we do not support abusive speech. We apologize for not having had broader knowledge of Dawkins views much earlier.

и для всего есть название, это вот явление называется no-platforming, упоминается в комментариях к статье в Spectator.