People aren't shooting yet because they know it will turn into a blood bath and should only be used as a last resort. Also as bad as it is in some areas, vast swaths of the US are still only really seeing this in the news. I think the outcome of whats going on in Minnesota will be a sign of whats to come so we won't be waiting long. If citizens start shooting at government employees though, it will be chaos, the US population has had a VERY negative attitude about the government for a long time now.