Free public owned media helps, but that’s getting more and more rare. Social media doesn’t help necessarily, many have algorithms that can be used to push certain narratives, and even places like lemmy without such rigged algorithms can be gamed to do so.

It’s a constant battle, people need to be educated and remain vigilant - in particular they need to read multiple sources with differing views and learn to recognise their biases and account for that to establish the objective truth.