The government, not even his Zero-ness, can create a market where one doesn’t naturally exist.
In seriousness, A CFL for 3 or 4 bucks represents a significant investment....if you don't have 3 or 4 bucks. Especially if you need to replace several of them.
A foolish expenditure, when you can buy incandescents four-for-a-buck at the dollar store.