It's not necessarily applicable at anything above journalist level. Different journalists have different biases. And their biases might be overridden by their s

It's not necessarily applicable at anything above journalist level. Different journalists have different biases. And their biases might be overridden by their superiors when they get hired by another media outlet, with different "sponsors". But unless you plan on being an expert in every field or just distrusting about everything you read (safe option if you ask me), such a measuring stick is better than nothing.