A lot of humanity, and a lot of keeping with the spirit that the show was written in. In the end, when the camera was on Hawkeye, he said the memorable lines, "We win some, we lose some. Guns, bombs, and anti-personnel mines have more power to take life than we have to preserve it."
This, I believe, is the whole pivotal point in the episode. That being, no matter what goes on, and no matter what the Powers-That-Be have to say, when it comes down to it, we can go out to the fields, and do their bidding, but we still have our humanity