The US government and its cronies use American social media as propaganda plateforms to saw disinformation and push counter factual narratives serving their interests. They have specifically targeted influencing elections in the recent past.

That's information war. We should probably ban on sight but as we are free countries, we put in place a regulatory framework and let the courts do their work.

You don't want balkanization of the internet? Tell your government to stop using it as a weapon.