Police propaganda is serious problem. But this seems like the least appropriate thing to dismiss as "just police propaganda". What's bad about police propaganda is it perpetuates a certain politics by maintain atmosphere of fear as well as pushing certain stereotypes of ethnic groups. But when the police are exaggerating the terrorist potential of actual organized criminals, things seem much muddier. I think people should concerned about organized scammers - their victims are usually the poor, notably. It's true their terrorist potential is overstated but only because they are profit-oriented but it's not like their other activities should be ignored.