I saw an interesting interview on the subject: https://youtu.be/6Ibk5vJ-4-o?t=1678 https://youtu.be/6Ibk5vJ-4-o?t=1678 It argues the way to engage with these p

I saw an interesting interview on the subject: https://youtu.be/6Ibk5vJ-4-o?t=1678 https://youtu.be/6Ibk5vJ-4-o?t=1678 It argues the way to engage with these people is to first understand the psychological manipulation tactics they have been subjected to. That what you should focus on is not their false beliefs, but the underlying reasons why they were vulnerable to that manipulation in the first place; and to realize that everybody can become a victim of such cults helps to empathize with them. Don't give up on your friend.