What would happen if the American media all agreed to not identify politicians as Democrats or Republicans?

Not just the politicians, but also any experts or commentators who are brought onto news shows to give their opinions on issues.

If the audience doesn’t know who is on their “side” while they watch a show, would the person watching be likely to evaluate the issue more objectively? Let’s assume the we are watching shows that at least have some balance on them, some attempt to hear both sides.