As the American right-wing moves further right and further way from participating in consensus reality, it should be no surprise they are increasingly less welcome in spaces dedicated to the pursuit of knowledge. If you reject not only the politics of your opponents, but the value of fact itself, why should they listen to or accommodate you? https://www.vox.com/policy-and-politics/2017/11/2/16588964/a...
I know. There's been an organized project on the right to undermine universities since the 60's. Any accommodation made to them is a small victory.
Edit: they were in place during Johnson's administration