The metric we should look at is not GDP per capita (which is how the U.S. bears similarity to Europe), it is crime.
If you look at intentional homicide rates among large countries (>1m population), the U.S. is comparable to countries like Ecuador, Argentina, Kenya, and Pakistan [1].
The U.S. intentional homicide rate is bigger than Western European countries by a factor of 4 or 5.
[1] https://en.wikipedia.org/wiki/List_of_countries_by_intention...