I don't know, it's kinda cool seeing technology pushed to it's limits. I would never join the military and opposed my country's participation in most recent wars but I just like the tech, airplanes in particular.
Our tolerance for misery just because something is impressive is a bad thing about us and we should strive to be better than that.
These machines are not really for dealing death, even though that is what they do. They are just as capable at preventing innocents being killed. They are mainly intended as a defensive tool.