I think what I'm trying to get at is that the record industry - in dire need of renovation as it is - is not a useless and defunct leech. If it didn't exist, somebody certainly would have to invent it. Radio stations deal with label publicists, record shops* deal with big distributors. In a world where every band went independent, it would be days before companies sprang up offering promotion services (in exchange for a cut, of course) and months before radio stations refused to even speak to anyone except these companies, as it's just too much of a waste of their time.
*Okay, I guess it's entirely possible that the concept of a record shop may well become irrelevant in the not too distant future.