Whoever that was, probably had SUPREME confidence in their ability to whip that shyt, and get the job done. In their head, it was a video game (and they're playing at
"ultra hard")...light-work.
It's hard for ppl to understand some folks are just animals, @ whatever their talent is...whether it's flying a jet, fighting, whippin a sports car, shooting a gun, ETC. Able to accomplish feats, the average unskilled person would

@, or fold.
Their just that confident in their skill-level. Sometimes you get lucky enough to showcase your talents. Those ppl/victims came across the wrong person (or tank crew).