The argument for Google not being an advertising monopoly can't be "Just don't look at ads." That's like saying hypothetical oil company has no monopoly because

The argument for Google not being an advertising monopoly can't be "Just don't look at ads." That's like saying hypothetical oil company has no monopoly because people can just walk. There is a hypothetical world where the advertising market is not so ruined that it's apparently a good option to completely avoid it. Maybe if there was better competition, people would not want to avoid ads.