Thoughts on this theory about the relationship between bitcoin price and difficulty?

http://blog.inbitbox.com/post/50543316452/bitcoin-is-not-a-donut-supply-demand-and-bitcoin
https://news.ycombinator.com/item?id=5777772
http://www.reddit.com/r/Bitcoin/comments/1eq3v1/bitcoin_is_not_a_donut_supply_demand_and_bitcoin/