I found what I was looking for. It's called the Gell-Mann Amnesia effect:
... You open the newspaper to an article on some subject you know
well. ... you read with exasperation or amusement the multiple errors
in a story, and then turn the page to national or international
affairs, and read as if the rest of the newspaper was somehow more
accurate about ...
Anchoring bias or focalism is:
a cognitive bias where an individual depends too heavily on an initial piece of information offered (considered to be the "anchor") to make subsequent judgments during decision making. Once the value of this anchor is set, all future negotiations, arguments, estimates, etc. are discussed in relation to the anchor. ...