"Please don't post shallow dismissals, especially of other people's work. A good critical comment teaches us something." - https://news.ycombinator.com/newsguid

"Please don't post shallow dismissals, especially of other people's work. A good critical comment teaches us something." - https://news.ycombinator.com/newsguidelines.html https://news.ycombinator.com/newsguidelines.html He has a masters degree in molecular biology, another in computer science, a doctoral degree, and has spent 39 years working on learning and cognition, has been one of the main promoters of spaced repetition learning. Surely he deserves more than an "I mean, lol, right guys" dismissal?