Sadly, these are cult members and will not be moved by kindness. There is no reason to surrender to their cowardly cruelty. Sex with a monster isn’t appealing to any well-adjusted woman. This would be happen in even without a movement. Cruelty is a very unattractive quality.
The simpler thing would be for these men to learn to care about other people and be genuinely nice. This is always an option. That’s up to them.