The Nazi penchant for two finger typing was actually an impactful factor in the cracking of the enigma code.
It actually goes back to a reluctance-toward-techne that is expressed throughout ariosophic discourse. Himmler made it clear that the troops, and even the secretaries, were not to be formally trained in any such activity that required a multi-digit manipulation of matter, least of all something as forsaken as the typewriter.
But
@luka knows his inside stuff, and he called as he saw it.