Dog owners also don't often seem to think much about how their dog's bark territorial dog-threats at whoever happens to walk by on the sidewalk. I mean, imagin

Dog owners also don't often seem to think much about how their dog's bark territorial dog-threats at whoever happens to walk by on the sidewalk. I mean, imagine I programmed a motion activated robot to yell threats at whoever walked by, that would be rather rude of me, right? But let your dog do the same, and no problem at all. People should train their dog not to bark at people on the sidewalk.