Maria Agnesi, of the Witch of Agnesi fame, was another woman mathematician whose life overlapped with du Châtelet‘s. She was also from a wealthy family (a must for being an educated female in those times) but she lived quite a different type of life, focusing on religion towards the end.
https://en.wikipedia.org/wiki/Greco-Roman_mysteries
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To be clear:
1. There are real conspiracies.
2. None of them control the whole world, or are responsible for all of the problems that any one person or group of people faces.
3. The 'mystery'/'conspiracy' helps someone make sense of a world that makes no sense to them; you cannot disprove the mystery with evidence, the mystery is the only thing they have to hang onto. You have to give them something else to hang onto before you take away the mystery; by the time they have reconnected with the world, you don't need to disprove the mystery.
The connection to the article is the dichotomy of the fable vs history; myth vs reality. Humans still have the same tendencies as they ever did.