No because its not the purpose. The purpose is to reduce risk by having accountability assignment to things like demonstrations that hurts the funding of the institution.

There was a bunch of anti-Israel stuff for example, which goes against the alignment of the university donors. In order to be able to assign accountability and prevent reoccurrence of such events, its useful to know who did these things so you can take necessary measures.

A bunch of cameras cost much much less than what stopped funding would cost the university, so it's the rational choice.