So IMO this is going to let him continue to abuse social media to spread conspiracy theories while incentivizing social media companies to remove or ban users that even slightly tie the line, or invent rules and accuse such users of breaking them.
American institutions are not as strong as people think. They are squishy organizations manned by humans; and thus they can be corrupted. All of this stuff is very well studied by the way, it is straight out of the authoritarian playbook.
For those who want to argue the other way, consider the simple fact that he has not divested of his private businesses and continues to profit spectacularly from them and it’s not even on the news anymore.