I don't even think about it, but apparent pivot on my wrist to hit the 'Esc' key (top left of my keyboard) with my middle finger, rather than my pinkie as would be prescribed by a strict "home row" typing style.

I find emacs's ctrl-meta-foo-bang key combinations to be far more stressful (you have to hit multiple keys in one swell foop) than vi/vim's modal just-one-key-at-a-time standard keystrokes.