Even if they find something to back up their claims, it’ll be a biased source.

There is literally no such thing as an unbiased source, and the core bias of the corporate media is the bias of the capitalist class.

The whole concept of the “left” or ”right“ “bias” being inversely correlated with factualness is garbage. These kinds of graphs, which try to convince us that centrism equals factualness, are garbage:

The workings of corporate media were explained about forty years ago in Inventing Reality and Manufacturing Consent.
A five minute introduction: Noam Chomsky - The 5 Filters of the Mass Media Machine