One problem I have noticed in the field is that many existing professors are operating at a reduced capacity because of the incentives to work in industry (cons

One problem I have noticed in the field is that many existing professors are operating at a reduced capacity because of the incentives to work in industry (consulting etc) and do startups. Many end-up taking many less phd students than they could otherwise because of this. What the article mentions sounds like a problem that will fix itself.