Earlier quoted context omitted.
I think there's truth here, but I also think programmers routinely underestimate the quality and compensation of other careers that they think are "below" them. For instance, you did it in this very post. Do you really think that all high school teachers are locked into making $40k for life? Here where I live (a large city, but also a pretty affordable one), teachers start at ~$55k in base salary, get a whole range o…
To be fair, no teacher I have ever known has stopped working at 3:20 PM. Grading and planning often go far into the evening.
I took it to heart. It worked very, very well for me in college. I'd always have homework with me ready to go and when I was waiting for a class to start, or any other short time with nothing to do, I'd do homework. I'd only get a bit done at a time but it really added up and reduced my take home workload considerably.