This will have everything to do with the utterly shambolic nature of everything he and his admin does.
That's why I said that the actual datapoint would be to look at the relative bias of fluff pieces. The media should be biased against Trump, because he was and is intentionally odious. But that would come out in pieces that don't look at policy. Pieces that look at policy should be also judged on whether they're a bad policy or not, first.