think having a huge depth of knowledge is really not that important when teaching introductory topics Absolutely, and as I said, that levels out the playing fi

think having a huge depth of knowledge is really not that important when teaching introductory topics Absolutely, and as I said, that levels out the playing field for him a lot. Partially I was misled by the enthusiasm of the HN users here for the lectures; I didn't expect the crowd here to be so excited about high-school material.