That point is valid, but Apple is trying to create a de-facto monopoly and even now it's really an oligopoly (which is only marginally better but in many ways w

That point is valid, but Apple is trying to create a de-facto monopoly and even now it's really an oligopoly (which is only marginally better but in many ways worse). In such situations the power balance shifts dramatically and for many artists the choice they have is philosophical at best.