One thing that is hard to come around is the fact that the music biz is profit driven. If there really was a vivid indipendent scene that was growing up by the means of filesharing, we would have seen attempts to control it a long time ago.
Sorry, but I believe your interpretation of events is myopic.
There have been attempts to make a vivid (and profitable) scene driven by file sharing. However, there are very powerful business (and political) forces that essentially get squeezed out of the scene once the artist is directly doing business with fans. They are the inefficiencies in the existing music models, and therefore they cannot allow "the new model" to take hold.
Reality is this: digital music costs NOTHING to copy and distribute. Therefore the price of a digital copy will eventually be zero. Laws and technology is being thrown at the situation trying to keep the genie in the bottle. But consumers now understand the cost of the goods they are buying.
So the music industry needs to find ways to leverage the benefits of FREE advertising being done by their fans who share music with their friends. Take that savings (the $$ artists would otherwise have to spend on advertising) and capitalize on it.
Opportunity is there. Someone is going to eventually seize it.