Woops, just saw I replied to a higher comment in this tree instead of to you as the asker of the original question. FWIW, my thoughts are basically that it's a

Woops, just saw I replied to a higher comment in this tree instead of to you as the asker of the original question. FWIW, my thoughts are basically that it's a question of sequencing the lessons and framing the overall purpose: https://news.ycombinator.com/item?id=35411405 https://news.ycombinator.com/item?id=35411405