This helps us in a way few other things could. Americans are a pretty tolerant group overall, but that is largely because most people don't understand the true cost of that tolerance. Once they see actual bloodshed on even a modest scale self-preservation will push diversity and tolerance and all that crap straight out the window and we can fix things for a generation or two until people forget and make the same past mistakes.
This helps us in a way few other things could. Americans are a pretty tolerant group overall, but that is largely because most people don't understand the true cost of that tolerance. Once they see actual bloodshed on even a modest scale self-preservation will push diversity and tolerance and all that crap straight out the window and we can fix things for a generation or two until people forget and make the same past mistakes.