> If people could reliably and legally install it on any PC they want it could still cut into Windows' share a lot more than it currently can.
But Apple would lose a huge amount of money on hardware sales, which is where they make their money. Apple even tried an approved clones program in the 90s, it was a miserable failure and one of the first things Jobs did on his return was kill it.
> It's not hard to imagine that before long, enterprising people will release custom "distros" of it
Which Apple really wouldn't want. One of the selling points of OS X is the lack of variation in both software and hardware.