> That being said, most people are peaceful. Crime-wise, they are slightly willing to do bad things (like stealing quietly from the market). Those ready to kill or cause great damage, are not normal people and are not most people.

That's a very lofty assertion. Most people assign a very very very high value to "avoid getting caught". Over time we have developed a system to increase probability of getting caught for any crime. Should the system fall apart, the crime spikes