Where have you been? Hall monitors at CNN and other outletd like Oliver Darcy have been shrieking about "misinformation," and successfully lobbying to get people censored on that basis, constantly for the last four years.

Recall that the "fake news" scare (and "post-truth era" etc) was actually started by the media before Trump appropriated it against them. And in most cases it was used against people for expressing skeptic towards favored conspiracy theories about the 2016 election.