It's few and far between, unlike the never ending refrain from every Republican politician. Conservative media teaches distrust of the mainstream, while liberal media, which may levy a complaint once in a blue moon, doesn't make it a central issue.
Did you even read the Pew Poll? Democrats/liberals are less likely to simply buy this argument from any source, because they don't have that massive trust issue.
You've already demonstrated your complete lack of statistical intuition. If you're not going to believe the actual statistics, you are simply living in a fantasy world.