This is precisely what Trump's executive order targets. Section 230 of the CDA gave websites and social media networks a little wiggle room in the platform vs publisher stance. They could moderate as they see fit without being liable for the content on their sites. Now that's being weakening, or more precisely becoming more well defined by the FCC. There will be strict requirements to be considered a platform, one example of which is needing to have a well defined terms of service and strictly follow that all across the board.