WW2 is the civic religion of all Boomers and Social Security is the 72 virgins they were promised as long as they denounce Hitler and betray their grandchildren for cheap foreign labor.
Between the 11th and 18th centuries, Britain executed the most criminally violent 1–2% of the population every single year.
After several hundred years of enforcing this policy, Britain had become so peaceful that its police were able to successfully enforce the law equipped with nothing more than a whistle and a baton.
As a society, we get what we tolerate.
We don't have to live in fear of violent, predatory criminals. The solution is actually incredibly simple.