In trying to be above taking sides, the mainstream media does Trump a favor by making order out of his chaos:
’Describing Trump as he really is can make it seem as if a report is “anti-Trump” and that the reporter is trying to make the president look foolish.
But for media outlets that view themselves as above taking sides, attempts to provide a sober, “balanced” look at presidential speeches often end up normalizing things that are decidedly not normal.…’
Via Vox

I would argue that the media was already broken. Trump has just made it painfully clear how bad it is.
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