Nowadays those administrators refer to speech as “harmful” or “violent.” Such labels cause students to feel that they are in danger and must be protected from the speech in question. Teaching people that hostile speech is something they have the resources to overcome on their own is far more empowering than teaching that they must be protected by their elders from ideas they cannot cope with by themselves.
In life, it is often much easier to get agreement that somebody has been wronged and/or other people have acted badly.
But agreement to the solution imposed is much harder, because often imposed solutions have negatives as well as positives.