I agree, but the solution is to consume a variety of news sources rather than expecting some perfect formula from one.
I think its much healthier when news sources actively struggle against the pressure to be an echo chamber. And be self aware enough to know their own biases & make them clear to their readers. I also like hearing the reasonable arguments against their position: "We endorse candidate A, but here are some reasonable criticisms of A that their opponents bring up."
The Economist does this. Other commenters in this thread mention the New York Times does this. Generally, I want to follow journalists who know more about the topic than I do, and can help me see a bigger picture.