They do if they have the level of "diversity" that the US does, forcing incompatible groups into close association. Real science shows that "diversity" causes unrest and violence, precisely the opposite of what is claimed by those pushing hardest for it.
The USA is #85 on the ethnic diversity list.
Above us on that list include quite a number of countries that have world-average incarceration rates, including nations like Israel and Switzerland.
So while there may be some correlation, it cannot be the cause. Something else is doing that, and the WoD policy is it.