You only need troops on the street in areas where there is so much unrest that neighbors can't keep "bad actors" in check. I imagine this only being in the hea

You only need troops on the street in areas where there is so much unrest that neighbors can't keep "bad actors" in check. I imagine this only being in the heart of cities. The lack of traffic leads to a reduction in crime generally, freeing up police oversight required to keep a lid on that.