Perhaps a good way to neutralise people asking questions about a possible 'doom' is to fire lots of different theories at them that only a kind of renaissance polymath could synthesize; a lot of mere mortals are then left to be preyed on by publishers, and the E.V. Danikens/priests of this world. 'Doom fatigue' may then set in, especially after a couple of plausible dates and Gurus go by, and so making most give up at that point just before it actually happens.
Just sayin'.