There are also lots of great comments on the sibling submission from a few weeks ago: http://news.ycombinator.com/item?id=2861825
This is my favorite Scott Aaronson piece! It has been submitted to HN before, though quite some time ago. The discussion on that one is worth referencing here as well:
https://news.ycombinator.com/item?id=2861825
There are also lots of great comments on the sibling submission from a few weeks ago: http://news.ycombinator.com/item?id=2861825