Should social media companies be required to show users news and information from a variety of viewpoints, even from perspectives that go against the views of the users?

1: Should social media companies be required to show users news and information from a variety of viewpoints, even from perspectives that go against the views of the users? For example, in the interest of balance, should liberal-leaning users have conservative news sources placed in their social media feeds and conservative users have liberal news sources in their feeds?