It's just that it wasn't a skill that was needed, especially in the upper stratosphere of jobs like yours.
I was one of two people in my college prep high school track who took a typing class [it was "slumming" with the business track people].
I call the current computer generation [including my grandchildren] "The Video Children".
Hand them a electronic device and they'll master it in minutes.
Us - not so much. Gramps [me] has got an edge because I have formal training. 