

A Christopher DiCarlo (cwdicarlo on LessWrong) got AI doomerism into Macleans magazine in Canada. He seems to have got into AI doomerism in the 1990s but hung out being an academic and kept his manifestos to himself until recently. He claims to have clashed with First Nations creationists back in 2005 when he said “we are all African.” His book is called Building a God: The Ethics of Artificial Intelligence and the Race to Control It.
There must be many such cases who read the Extropians in the 1990s and 2000s and neither filed them with fiction not turned them into a career.
A few people in LessWrong and Effectlve Altruism seem to want Yud to stick in the background while they get on with organizing his teachings into doctrine, dumping the awkward ones down the memory hole, and organizing a movement that can last when he goes to the Great Anime Convention in the Sky. In 2022 someone on the EA forum posted On Deference and Yudkowsky’s AI Risk Estimates (ie. “Yud has been bad at predictions in the past so we should be skeptical of his predictions today”)