Since the advent and dominance of smartphones, many, many fewer people are capable of using a real computer to get work done in an office environment. I’m surprised it happened so fast but it indeed has occurred.

In a way, it was inevitable. Computers were and always would be too complicated for about 80% of the population. To use the crude lens of IQ, it probably takes about a 115 IQ or so to operate one effectively and efficiently, and that is well above the average.