Betamax is still in use by broadcasters to this day... perhaps bitcoin wants to be the currency for professionals? 
BTC already has a clear niche where it is succesful, I think this topic is about extending it outside that 
I agree that helping current businesses accept bitcoin would be a very good idea. For example, making it easier to integrate it into current sites and merchant solutions, and promoting these easy solutions.
I was about to persue this some months ago but got "stuck" in building a better client GUI