I agree and would like to add that my parents who lived in the USSR tell me that there many "spontaneous actions of by the citizens" were in fact orchestrated by the government. This was largely for the benefit of the western press who was perfectly willing to believe this (after all genuinely spontaneous actions happen in their countries all the time). And conversely someone living in a country that does this will be less inclined to believe in spontaneous citizen actions.
After the terrorist attacks at Charlie Hebdo, conspiracy theories quickly arose about who was behind the attacks.
People who are critical to the west easily swallow such theories while pro-vest people just as easily find them ridiculous.
I guess we can agree that the most rational response would be to enter a state of aporia until sufficient evidence is at hand.
Yet very few people do so. People are guided by their previous understanding of the world, when judging new information. It sounds like a fine Bayesian approach for getting through life, but for real scientific knowledge, we can't rely on *prior* reasonings (even though these might involve Bayesian reasoning). Real science works by investigating evidence.
So, how do we characterise the human tendency to jump to conclusions that have simply been supplied by their sense of normativity. Is their a previously described bias that covers this case?