Because BitCoin is a solution in search of a problem. The only people who are amped about making purchases in absolute secrecy are civil libertarians and people interested in purchasing illegal or illicit goods.
Currency speculators, not people who want to buy bitcoins for use in commerce, are driving the market. You guys are passing around a grenade. Great for everyone until you're holding BTC when the grenade goes off.
That's awful kind of you to be concerned about us like that, I really appreciate it. When I'm snuggling up to my pillow tonight, I'm going to pretend it's your warm body next to mine. You are my little spoon.