>>They get away with it re Trump because of that decision from less partisan days. Trump's viewpoint is that the increasingly leftist media now uses this as a tool to create a one-sided vicious narrative. I'm not sure he needs to worry- every poll suggests that reasonable US citizens see what the MSM is doing.
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>It's Trump that is causing the distrust of the media by calling it all fake. Funny the news was not fake until we had a fake president.
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Over here "fake news" analogues vocabulary ("Lügenpresse") was seen a lot in WW2, but afterwards kept low profile.

In recent history (according to Spiegel, which somewhat jives with my memory, but without checking into it):
First rise was with Krim invasion, trying to play down Putin annecting the Krim and later more Uḱraninian topics. Was then [usurped by] and/or [retargeted for] the vocal, populistic anti Merkel/government Pegida groups and nested in that corner.