I just wish I could upvote your comment three more times. To compound the problem, the fact that you're competing against many of your peers for the few jobs t

I just wish I could upvote your comment three more times. To compound the problem, the fact that you're competing against many of your peers for the few jobs there are, and jumping positions every 1-3 years after grad school, means that best practices are not disseminated by working with a stable set of coworkers. This is similar to your 4th paragraph point. As a mentor of grad students on projects that these days are increasingly using machine learning, I am trying to figure out how to add this stuff to my teaching load, essentially, because the pain of my students using nested for loops when they could just use a single vectorized expression is real... but I myself have no formal CS training......