I went to a week-long Probabilistic AI seminar, and I got the impression there was an era when enough stats and math professors did not take a Bayesian framewor

I went to a week-long Probabilistic AI seminar, and I got the impression there was an era when enough stats and math professors did not take a Bayesian framework seriously, that there was a risk someone's thesis or dissertation defense would be derailed by someone on faculty.