Problem is we have one of these topics already created today.
And you want creative inconsistencies in entertainment? Look at the way firearms are handled in movies and television. It's gotten better in the past few years, but it's still abysmal.
Hey if they wanted to make everything real life like then movies, tv and video games would be pretty damn boring.
Imagine watching a movie like James Bond if everything was as realistic as possible.
People just need to stop whinging and move on when they see some of those WTF moments.
To be fair, they could've just not used that line because it's pretty asinine. I realize they were probably just trying to introduce the fact that he had been in the Army, but it could've been in a more realistic fashion.