Of all the things in this game, that's what you question?

Ok, and now I will start the counter arguments.

Even if they're your enemies, you're still getting money.
Elemental weapons have some e-tech in them.
Those clips could have digistructed into their hands. This explains why it take so long to reload certain rocket launchers as it takes more time to create the clips.
With gun sway, it could be hitting another part of the face, like the mouth.
They are crazy, but not vidja game logic.
After they are thrown, they digistruct back into the hunter's hand.