Would it really be so bad to give a death cult what it wants for itself? Oblivion? With our technology we could disrupt their lines of communication and means t

Would it really be so bad to give a death cult what it wants for itself? Oblivion? With our technology we could disrupt their lines of communication and means to recruit among the civilians. But you'll have to actively target them. As people. And you'll have to actively target their message. Their keywords, you could even target them by keywords. This would however dragnet target the entire religion.