Because there are still members of armed forces in nations who have been subverted that still have a sense of patriotism, however misguided, that compells compels them to defend the people and places under the flag for which they fight. They don't think to take advantage of the situation to purge their country of problematic elements because "They're still my countrymen."

Because there are still members of armed forces in nations who have been subverted that still have a sense of patriotism, however misguided, that compells them to defend the people and places under the flag for which they fight. They don't think to take advantage of the situation to purge their country of problematic elements because "They're still my countrymen."