These are things we cannot ever afford to be flippant about.
War is a horror that should always remain so.Those who are active participants, only do so to protect the people they love from this horror.
Hopefully, all civillians should not understand completely the sacrifices the warriors make.It is enough if you reallise someone did sacrifice greatly to protect and defend a way of life that we all hold dear.If all were warriors, there would be nothing worth fighting for.
To acknowledge that someone must pay the price for our way of life is all any warrior would ask a civillian.Your complete understanding would negate the sacrifice that had to be made.
If a serviceman or veteran seems flippant or indifferent to casualties,I can assure you that is not an accurate description of their attitude, but rather a continuation of a desire to keep those they love from the horror of what had to be done.