There is ample argument to be made that Twitter, Google-Youtube-Alphabet-Android, Apple, Amazon-AWS-WholeFoods, and Facebook-WhatsApp-Instagram are each a monopoly and/or engage in anticompetitive practices.
There is plenty of legal precedent to confront them on antitrust grounds, e.g. Ma Bell, Standard Oil, Microsoft IE.
There is plenty of legal precedent to confront them on antitrust grounds, e.g. Ma Bell, Standard Oil, Microsoft IE.