Obviously I am not their (Beats/Spotify) target market, why would I pay $120 a year for subscription internet radio when I can listen the actual radio for free with many stations to chose from.
Apple will not force you to subscribe and pay. You are not their target. Obviously, those who (will) love Beats' uniqueness vs. other free/not free streaming services and probably with future additional Apple touch is Apple's target. It is not just about the number of subscriptions, it is also about the market who subscribe and still pay download music.
Beats without Apple is purely for teenagers. With Apple's touch, it will be ready to compete vs. Pandora and Spotify. It is all about the merging of their existing technologies and current fan bases / demographics / markets.
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Why exactly did Apple pursue iPod if Walkman had already established itself?
Why exactly Apple pursue or not gave up on Mac if PC and Windows already established themselves?