Tonton Streaming Heaven's Gate: The Cult of Cults (2020) S1E3 - The Second Harvest

Using a popular sci-fi TV series to help bolster his teachings, Do encourages asexuality and individual submission for the benefit of the collective - and even initiates voluntary castrations. Having dwindled in number, the group starts recruiting again, but they’re met largely with derision and skepticism. Seeing this as a sign, Do begins planning their exit to the next level.