The difference is the monopolistic element. Apple didn't get screwed for bundling Safari with Mac OS because it isn't a monopoly. Microsoft did get screwed for

The difference is the monopolistic element. Apple didn't get screwed for bundling Safari with Mac OS because it isn't a monopoly. Microsoft did get screwed for bundling IE because they are. In the same way if you subscribe to the view that Google has a monopoly on search, then it's anti-competitive to use their monopolistic position in search to enter online retail.