This is not necessarily true. (I am a professor.)<p>In general I would like to be able to refuse review requests for journals that rip off their (institutional) customers. Under the circumstances, I dare not do so, because these requests usually come from senior scientists in my field.<p>However, if my university had such a policy (and it was conveniently explained on a web page I could link to) it would be very easy for me to back out of reviewing for these journals without taking the blame.<p>Sure, some of my colleagues would continue to review for these journals, and the university would never know. But such a policy would give an out for individidual researchers who would like to support this cause.