Can you be from Africa, Asia, or Europe, and be in favour of "America First Antitrust" - like there have always been those adhering to the Chicago, Post-Chicago School? Even Ordoliberalists, Neo-Schumpeterians, New Brandeisians could be from almost everywhere on the planet. This choice of conceptual isolationalism by the US antitrust enforcers is, well, unprecedented.
When on stage herself at the ICN, Gail Slater managed to make America First Antitrust more palatable to an international audience, also with some help from SC (first principles! Draghi Report! 2 of the 4Ps! You can apply it also to the ICN!).