You appear to have just awoken from three hundred years of sleep so kindly permit us to update you on some of the developments over the last few centuries. Printing presses are much more common and much faster and there are new and amazing technologies such as color copiers, DVD burners, and computers.
Bands can make a few hundred dollars per concert when their promotion consists solely of free downloads by their existing fans. Bands can make a few hundred dollars per head at a concert when they are aggressively promoted through copyrighted materials. The choice belongs to the bands, not the anti-copyright parasites, which is as it should be.
Similarly software authors can choose how to license their creations, whether GPL or BSD or something nasty they made up after reading the first chapter of a law book. The choice belongs to the software authors, not the anti-copyright parasites, which is as it should be.
Without copyright their would be no shareware and no GPL, and far fewer people would become FLOSS authors for the honor of seeing their creations make fortunes for Bill Gates and nothing for them.