Have you ever done IT for your family or friends, or seen a coworker completely helpless in the face of an unrecognized file extension? Say they're, I don't know, an engineer or a call center operative or something. 6 hours of computer in a working day, 250 days of work a year, maybe they got out of college in 2005... more than fifteen thousand hours in front of a computer, and, well, https://www.youtube.com/watch?v=fa9DLxDtPtc. Computers are mindbogglingly complicated.
And then there's us, the people that hang out on HN. I can't even think of how many times I've spent fifteen minutes digging around in config files or menus or googling for a better tool. I've probably spent over a hundred hours just on my emacs setup. Easily hundreds, perhaps thousands, of hours of focused effort dedicated solely to high-end computer-use skills, and that's not even counting the things I use the computer for. And I'm still learning things every day.
Please elaborate. What do you mean by "thousands of hours of learning". Aren't you overplaying it to fit your narrative?