If there is a priori, it is rather on the side of the player (myself) who search for "truths" scientific "material" but wants to doubt, even when they are provided to him in number and prominently on a subject that it suspected to be tainted with deception, manipulation and "illusionism"!
The demonstration of Prof. Brune, which requires careful reading and spread over time (to avoid abandonment), convinced me. The question is whether I can let myself believe it ....