I would think most people are conspiracy consumers rather than producers or dissiminators like Alex Jones.
There's also the genuine held belief aspect. I think some of the latest conspiracy theories are not born out of a genuine held belief, but are used just to troll or for political purposes (Obama is a Muslim). Also IIRC Pizzagate was born out of 4chan, it just escalated QUICKLY.
I am guessing trying to debate someone who is genuinely invested in a conspiracy (spent time and money) is harder than someone who listens to late night radio and watches Alex Jones.
Sorry to keep posting OT and about politics but do you know who would be a perfect candidate to study believes in conspiracy theories SO deeply held that they keep talking about them after they no longer matter? Rhetorical. It's Trump. He keeps talking about Obama's birth certificate, losing the popular vote to illegal voters and a new one, the Pussygrabbing tape is fake.
So everybody loves conspiracies, even presidents - a simple, black and white explanation for the increasingly complex, dangerous, chaotic time (e.g. DPRK).