Your analysis is correct, but the quality of antitrust commentary on this site is not that high! Neither Google nor Facebook is plausibly a monopoly. This doe

Your analysis is correct, but the quality of antitrust commentary on this site is not that high! Neither Google nor Facebook is plausibly a monopoly. This does not mean that they don't occasionally do things which violate antitrust laws! They do. And they should be punished for such violations. But they aren't monopolies. ~Antitrust economist.