Plumbers and bricklayers are definitely worth a lot more than writers and artists. They provide essential services and have verifiable skills. I don't know about anybody else, but I'm not calling any poets over to fix my toilet when it overflows
And to be frank all these arguments we have are pretty much redundant. The digital takes no sides, it has already decreed that everything must be free to be usable within its realm. It will not allow any outdated notions of ownership and copyright. It will route around them and make them obsolete in the process.