AAQ, not necessarily disparagement, just la’afukei his misbegotten title of rabbi. He has earned a doctorate, but he is not a legitimate rabbi. I don’t know where he got his degree from, nor does it really matter.
When chazal have a machlokes, neither side is “skeptic” or “believer” – it’s a machlokes in how to darshen pesukim and how sevara works. To say that chazal were biased by their middos and that their opinions can be attributed to “skepticism” or “mysticism” would be entering into zecharya frankel territory