Compare to the Chinese soldiers at Tiananmen Square.
They were all from outer provinces, could barely understand the Mandarin dialect, and were told the people in Beijing looked down on back country hicks.
They, like the imported Russian Ukrainians, would not have fired on people they perceived to be like them.
Now keep that in mind every time an urban politician disparages The South, Flyover Country, or...
Good point. Outsiders are always used, when it comes down to shooting innocent people.