WOAH. I just did a cursory search and according to this dude "Scott Bonn, Ph.D. is a criminology professor, TV news commentator, public speaker and author. He is an expert on the behavior and the motivations of criminals" the audience for true crime skews eighty percent female.
I'm not quite ready to automatically give the patriarchy credit for everything women do though.
I don't think many true radicals do it because it "sounds fun" perhaps you're confusing your ability to empathise with non-muslim radicals with actually understanding them?