Freedom of speech in British universities is under attack from the right-wing government and from leftist students.

The National Union of Students' "no platform" policy started out as a campaign to refuse to legitimize talks by fascists and racists, and officially that's still how it operates. However, nowadays its real activity is to prevent or shut down talks by adherents of a range of views that certain leftist groups disagree with.

When a speaker proposes to do great harm to people it is understandable that they protest the speaker forcefully. Once in a while, the community's opposition may interfere with a speech, but they did not stop the guest from speaking. A systematic effort to prevent someone from giving speeches is going too far.