You ever think about how fucking big the enemies are in comparison to the rest of humanity?
If the Smelldivers really are 7ft tall as everyone's favorite hypno-sissy canon wishes to believe, that doesn't help us at all, when you look at just a Scavenger bug and realise it's essentially the size of a wild hog. Thus, a Hunter would be more or less the equivalent of a onions-diet bear pouncing at you.
Chargers are the size of a small truck, Factory Striders essentially being a 4 or 5 story building.

I dont know man, sometimes you just start pondering about things.