"You can't trust anything" (with an implied "But you can trust me.") is, however, the battle cry of the charlatan.

Part of the exasperation of "Team Science" is that so many from "Team Other" are not acting in good faith. Most of "Team Other" doesn't actually care about getting to truth--they only care about winning (for some value of that--the leaders grifting and the followers "sticking it" to the other team).