Yes, that part of Twitter, tpot.

"many of those who participate were formerly part of the Rationalist and Effective Altruism movements. [...] What makes TPOT a "post-rational" community is an interest in topics that are not traditionally rationalist, such as spirituality, occultism and conspiracy theories."

https://knowyourmeme.com/memes/subcultures/tpot-postrat

Back in my day we just called these people crackpots.