As we are aware, no one has demonstrated that consumers have been harmed by the dominance of American tech companies.

In “Breaking Up or Better Regulating Big Tech?” (Letters, Sept. 21), Rep. Ken Buck calls the analysis in our article “The Misguided Antitrust Attack on Big Tech” (op-ed, Sept. 15) “simplistic and flawed” and claims that “the bipartisan instigator” of congressional antitrust concern is “that big tech companies are using their market dominance to strangle competition at the expense of the American consumer.” The purpose of our article was to show the massive consumer benefits coming from the rise of American big tech companies. If Congress has evidence that consumers are being harmed, it should present it. To this point,…