As price goes down we lose more and more existing users. This is actually detrimental to the overall growth. There are already far too many stories about hacks and scams, with one site after another being included. Anyone I've talked to about BTC just refers to the numerous articles that show how insecure it is (with things like Mt. Gox, Bitstamp, etc. on the list) and how they would never put a cent into a dying system.