You are 100% right; OS X/iOS are much more opensource than windows. I wasn't talking about Windows though.
And android is FULLY opensource![]()
Sorry, but the Android OS is currently fully controlled by Google; Fandroids only think that it is fully opensource.
http://www.businessweek.com/technology/content/mar2011/tc20110324_269784.htm
If Google controls the spigot, it isn't opensource, it's Google's.