So... you were in grad school... but you couldn't learn independently? I said that a good instructor can speed up your learning by a factor of 3 to 5, compared

So... you were in grad school... but you couldn't learn independently? I said that a good instructor can speed up your learning by a factor of 3 to 5, compared to self-teaching (which is what you're reduced to when you have a bad instructor). How could I know that if I hadn't done both? It sounds like you're deliberately ignoring what I wrote so you can get in an ad hominem.