For sure. It’s currently possible to push discourse with hundreds of accounts pushing a coordinated narrative but it’s expensive and requires a lot of real people to be effective. With a suitably advanced AI one person could do it at the push of a button.
That’s always the issue with super heroes. All these people with these crazy abilities and powers and the only thing we can think to do with them is beating up petty criminals.
Like that’s really what the world needs: tougher cops with no oversight.