Earlier quoted context omitted.
>But yeah, AVID Pro Tools works on Windows so it doesn't do anything for Apple. Before Apple bought it, Emagic's Logic ran on both Windows and Mac. After Apple acquired Logic, they immediately discontinued the Windows version. Can't Apple hypothetically run the same playbook and discontinue Pro Tools for Windows?
Apple could buy all DAW companies (Steinberg, Ableton, etc) for peanuts and destroy music production on Windows if they wanted. Heck they could even buy Adobe without much effort and make it mac exclusive too. They don't do it probably because that would be considered a below the belt move and not worth the trouble since the mac is only 10% of its revenue.
There's also the question of how long would this work. This would stimulate windows DAW market; every software shop would want to sell the next mainstream windows DAW.