This is such a popular coping tactic from Americans when it comes to facing actual competition, especially from China. Everything they do must either be a lie or just stolen American technology, as if there's something inherently special about Americans that no one else has.
That is a great respomse to something I did not say.
It's a response to the most obvious motive for you saying it. Why are you bringing up the possibility, in such an inflammatory manner (in particular, making reference to "state media"), otherwise?