Comment by sudo_cowsay

Yes, exactly. I have also learned a lot of math, grammar, science, and other subjects from Sal. In most videos, Sal explicitly states to pause the video and try out the problem before he works through it. I do think that KA's style of teaching needs some getting used to (this was never a problem for me as it was one of my first teaching platforms). However, once you get used to it, it is a wonderful experience.