Given it is a subbranch of psychology and a more idealistic one that came up with the concept, I bet there is less than zero data on efficacy of safe spaces for

Given it is a subbranch of psychology and a more idealistic one that came up with the concept, I bet there is less than zero data on efficacy of safe spaces for anything. And what is out there is more than 80% likely to be wrong or irreproducible. If something is not effective, the only reason to do it is ideology and politics. Nobody needs even more of those on campuses.