Or they could be like 6th on the browser list, and have it installed as virtual spyware to up their share. Apple, never does that, no. They don't make you use iTunes with their products, do they? And they would never install that bloatware Quicktime automatically, would they, no never. And it's not like Quicktime once it is installed (automatically) takes over all your broswer preferences - no, I've never had that happen.
Only Microsoft does stuff like that.