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AFAIK, Fox News Channel is the only one to ever stand in court and argue that they're not really news, but "entertainment".

OP did not say "only fox is doing misinformation". Rather they are referencing what was a deliberate goal for Fox from its outset [0]. Other companies and individual journalists followed suit to various degrees, yes.

[0] https://theweek.com/articles/880107/why-fox-news-created which is itself kind of a simplistic, preach-to-the-choir piece. But as you said you mostly stay out of politics, I figure it is easier to follow rather than say the full Wikipedia article on Roger Ailes.

yeah, it's clear you stay out of politics; politics does not stay out of you.