This doesn't surprise me in the least. My academic discipline, philosophy, is at least as ideologically lopsided as social psychology. (I base that judgment on my 32 years of experience in the discipline.) I confess that I find it difficult to read (or teach) anything published after about 1970, when political correctness took hold in the academy. Luckily for me, philosophy is not as subject to fads and fashions as other disciplines. It is concerned with perennial things, such as being, knowledge, and value. This allows me to use older materials in my courses—materials from, say, the first half of the 20th Century. But even though philosophy is concerned with perennial things, this doesn't stop leftist ideologues from trying to politicize every branch of the discipline, including logic. Let me put it this way: I love philosophy, but I hate most contemporary philosophers. They are ideologues first and philosophers second. To be a philosopher, you must be a philosopher first and everything else second.
Academentia
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