it's probably done because it keeps some relevant part your brain engaged/focused when there isn't a firefight going on yet. more or less the same reason (functional) WoW players strafe left and right nonstop when they're DPSing, it keeps them "prepared" in some way for when they actually do need to move out of/into something

 >>/64603/
> Putin 
a combination of Darth Vader, Voldemort and Sauron

> China
nowhere near as negative, more of a neutral portrayal. kind of seems like they feel comfortable bashing Russia but they afford China a lot more respect