Nah, you've get too much information from movies. The truth is that in any homogeneous White or East Asian neighborhood you can leave your bike/laptop/purse unattended in plain view all day and no one will touch it. People open doors for each other, wave to their neighbors, and generally trust one another. It's wonderful actually.

In stores in Black neighborhoods they lock up the toothpaste because of a distinct difference in behavioral patterns. Now you can say the difference is genetic or cultural, but denying that the difference exists is only hurting yourself and your people.