One must dig deeply into opposing points of view in order to know whether your own position remains defensible. Iron sharpens iron.
When you talk about the security and safety of average Americans it doesn't do average Americans a lot of good to expand America's military footprint if the daily lives of average Americans are being undermined by the fact that we're no longer able to compete in a global economy. I think that's the kind of human security we have to pay more attention to.