Every company "monopolizes" their own products - the problem for consumers begins when there's only one de facto product in a particular market (e.g. - desktop

Every company "monopolizes" their own products - the problem for consumers begins when there's only one de facto product in a particular market (e.g. - desktop or smartphone OS). iOS is certainly not in that position in smartphone OS and it can be argued that Windows is no longer as dominant as it was during the antitrust trial.