“I think it's a gross distortion of the educational process. What happens when I'm responsible for a PhD student, the student is condemned to work on a single p

“I think it's a gross distortion of the educational process. What happens when I'm responsible for a PhD student, the student is condemned to work on a single problem in order to write a thesis, for maybe two or three years. But my attention span is much shorter than that.” This is nowhere near the problem with PhDs from what I’ve heard in my family.