“But when kavod HaTorah or talmidei chachomim or anyone who represents harbotzas torah is at stake, in a public matter”
I would never argue with that, but I would say that how one goes about dealing with such an issue, should still be within respectful guidelines, so that a chilul hashem is not inadvertently cause. The Neturei Karta also beleive they are showing respect for the Torah.