Gravity (er, not Gravitas) decrees that, poco á poco: small bits of agitprop+its containers 'jes grow-like-Topsy. Hitler was a lone so-so 'painter'; met a few similarly-disturbed. Providence locked him up to write the SOLE 'Book' asociated with 'Fascism'. QED?

THEN: there was no Intarweb/e-mail/video 24/7 etc. But RADIO alone concretized the Masses just after ... you know the Story.

The Mofos described are merely the canary-in-the-mine-Mine!-MINE!!! ... shaft-ing of the human credulous-mass.
(Of course I Hope that my extrapolation is Rong, RONG, but I've been watching Stuff ..ever since finding out that My Gramma--That one--was a child-in-adult-clothing (while I was still a child too).

tl;dr: This Is Not a DRILL, I wot.

PS: Testy LRPD: The Pseudo Markov Chain O' Puerile Musings. (Guilty as charged)