The problem with generalization is how quickly it turn dark. Robberies... I know someone who was robbed by a immigrant, and I believe them. I also know that so

The problem with generalization is how quickly it turn dark. Robberies... I know someone who was robbed by a immigrant, and I believe them. I also know that social economic factors play a huge role in crime, and that people who flee from war and immigrant to my country is on average on the lower scale on the social economic ladder. So what generalization should we apply here? Best practice is basically to do nothing and see to the individuals.