It should be obvious but when the representation in media reflects the representation in society so your population demographics are reflected in the media, not the audience demographics reflected in the media. Then you have a mass media that accurately reflects the demographics of your society.
I really hope you are genuinely curious cuz whenever someone starts the thing with "to be honest but" or "honest question" or "I'm genuinely curious" I often feel kind of scared that they're just trying to troll and trap you in their own belief system where they've already decided the. As in like if someone really has a genuine question they shouldn't have to say they do to prove that it should be obvious when they say it kind of seems like compensating for some sort of deception. Not saying you're doing that just saying that's how I feel when I see that kind of stuff sometimes.