Don't auto dealers typically make far more money in service/repair than in selling new cars? That's not the case for the typical LBS?
I'd be happy to bring an internet-ordered bike into an LBS, or have the LBS order one for me, and then have the LBS assemble the bike and service it thereafter. Even better if the LBS would come to me ala VeloFix and the other mobile services. I'm willing to pay more for all this, though I don't know if my notion of "pay more" would yield a sustainable business.