Because Reuters and NPR consist of journalists, and if US consular officials were denying visas to people due to having worked in journalism, they would not be implying that with subtle innuendoes; it would be front-page news on NPR, Reuters, and probably the New York Times and the Washington Post as well, accompanied with dire warnings about how the freedom of the press was under attack. They reliably do this every time the Trump regime retaliates against journalists or journalistic organizations.