“Conspiracy theories abound in many tragedies and injustices, but the greatest conspiracy of all is how human beings treat one another and other living things on Earth.”

"The Mindscape of Alan Moore" (2003) http://themindscapeofalanmoore.com/index.html
Context: Yes, there is a conspiracy, in fact there are a great number of conspiracies that are all tripping each other up. And all of those conspiracies are run by paranoid fantasists and ham-fisted clowns. If you are on a list targeted by the CIA, you really have nothing to worry about. If however, you have a name similar to somebody on a list targeted by the CIA, then you are dead.

Source: The Selfish Gene (1976, 1989), Ch. 5. Aggression: stability and the selfish machine

Source: Beyond Hypocrisy, 1992, Doublespeak Dictionary (within Beyond Hypocrisy), p. 128.

The Historical Illuminatus as spoken by Luigi Duccio

Source: Enlightenment Now (2018), p. 173

Sri Ramana Gita

The Creature from Jekyll Island: A Second Look at the Federal Reserve (1995)

Source: Conspiracies and How to Defeat Them, lfb.org, 2016-05-30 http://lfb.org/conspiracies-and-how-to-defeat-them/,

"Dreaming Awake at the End of Time" (13 December 1998) 11:30 - 15:29 https://www.youtube.com/watch?v=KboPUQ0xCDs
Context: For some reason, a balkanization of epistemology is taking place. And what I mean by that is: there is no longer a commonality of understanding. I mean, for some people quantum physics provides the answers. Their next door neighbors may look to the channeling of archangels with equal fervor. … It is accompanied by a related phenomenon which is technology, or the historical momentum of things, is creating such a bewildering social milieu that the monkey mind cannot find a simple story, a simple creation myth or redemption myth to lay over the crazy contradictory patchwork of profane techno-consumerist post-McLuhanist electronic pre-apocalyptics existence. And so into that dimension of anxiety created by this inability to parse reality rushes a bewildering variety of squirrelly notions, epistemological cartoons if you will. … Conspiracy theory, in my humble opinion … is a kind of epistemological cartoon about reality. I mean, isn't it so simple to believe that things are run by the greys, and that all we have to do is trade sufficient fetal tissue to them and then we can solve our technological problems, or isn't it comforting to believe that the Jews are behind everything, or the Communist Party, or the Catholic Church, or the Masons. Well, these are epistemological cartoons, you know, it is kindergarten in the art of amateur historiography.
I believe that the truth of the matter is far more terrifying, that the real truth that dare not speak itself, is that no one is in control, absolutely no one.… Nobody is in control. This stuff is ruled by the equations of dynamics and chaos. Now, there may be entities seeking control — the World Bank, the Communist Party, the rich, the somebody-or-others — but to seek control is to take enormous aggravation upon yourself. … Because this process which is underway will take the control-freak by the short and curly and throw them against the wall. It's like trying to control a dream, you see.
The global destiny of the species is somehow unfolding with the logic of a dream.