Earlier quoted context omitted.
I think a large portion of the conspiracy theorist population probably has a mental illness that makes them susceptible to delusional thinking. Delusional people can lead very normal fully functioning lives, but mix a certain topic that offers patterns which make their brain go down a certain path, and they suddenly become very adamant about believing something that is illogical and irrational. There is probably litt…
I'd say it's the opposite. The large portion of the population who believes everything the authorities tell them has a mental illness that prevents them from thinking critically and for themselves.
Something that confuses a lot of conspiracy theorists is that global issues just aren't as important as local issues to people. Having a house, doing your job, raising your kids, spending time with loved ones, and anything that directly affects your ability to do so (e.g. your health, actions of people around you) are important and have a profound impact on your life.
Sometimes the actions of authorities have a direct impact on your life as well, but mostly at a much smaller scale and with less relevance.
Treating MH370 as something that's important to anyone other than people related to those involved leads to typical thinking errors like assuming Russia would care about this plane, or that people are being deluded. The horrible truth is that the whole thing just doesn't matter much.