Apple could easily add some kind of 'allow non-Apple validated software' option so end-users could choose whether they want the walled garden. I don't think th

Apple could easily add some kind of 'allow non-Apple validated software' option so end-users could choose whether they want the walled garden. I don't think the parallel to MS is correct. Imagine if instead of simply allowing IE to access private Windows APIs, Microsoft instead banned all non-Microsoft approved software from even running on windows and took a 30% cut of those they do approve.