As long as their beliefs don't motivate them to throw rocks at Black kids, or LGBTQ+ kids, or kids with AIDS.You may not believe it had "no effect" on Damar but millions of people do. What's so wonderful about it is that there is NOTHING you can do to change their beliefs. It brings people peace and why would anyone want to take that away from them? You believe what you want to and leave those who do alone.
Or fly airplanes into buildings.