This guy is both non-technical--which I correctly assumed, given that his essay was published in the HBR--as well as a former executive. His life experience is

This guy is both non-technical--which I correctly assumed, given that his essay was published in the HBR--as well as a former executive. His life experience is of little relevance to the average 40-something (or is it 30-something, now?) software engineer stifled by ageism.