It would look like the familiar investigative journalism, studies, surveys, and actual source materials from the companies involved. And it's important because

It would look like the familiar investigative journalism, studies, surveys, and actual source materials from the companies involved. And it's important because without due diligence, you get snake oil, Rush Limbaugh, anti-vaxx, and other such bullshit from some rando's wild ravings that people just latch onto out of laziness and familiarity. Could you imagine if court cases were held by such standards? Or if elections could be overturned simply by a president's unsubstantiated assertions?