They're not arguing that google is a monopoly. Everyone, including Google, agrees that google has a 90%+ monopoly. The whole point of the case is how google ma

They're not arguing that google is a monopoly. Everyone, including Google, agrees that google has a 90%+ monopoly. The whole point of the case is how google maintains that monopoly, mainly by paying hundreds of billions of dollars to make their product the default everywhere possible. It's (argued) that's the reason google remains at 90%+ market share despite their search product becoming increasingly useless.