Speaking of always following the truth, as versus the idolatrous “following the Rabbanim”, see Rabbi Karelitz’s own example in his Chut Shani Niddah p. 143, sub voce Ulefi zeh, and idem p. 151 s.v. Vehineh Hevi.
Indeed, Rabbi Karelitz tries to claim in one of the above examples he doesn’t really mean it…