You can talk sense all day long, like trying to argue with and applying reason to keep a jihadist from killing, the only thing some people will ever understand is a bullet.
This is human nature, and as your article suggests, you are pulling for the black man. In the end, the asian pulls for the asian, the mexican for the mexican, the white pulls for the white. We only pretend to pull together in America. This is human nature. Your use of the concept of "togetherness" can't happen at large because it is against human nature, yours, mine, his, hers, theirs and everybodies. Back a man into a corner and he will likely come out shooting.