Social media platforms are owned by privately held companies. Their moderation is up to their discretion. Sure there's a larger conversation about their ubiquit

Social media platforms are owned by privately held companies. Their moderation is up to their discretion. Sure there's a larger conversation about their ubiquity and how social media posts relate to free speech, but as things work now in the US, Facebook isn't breaking any rules by censoring anything for the most part. If you want to collect pictures of horrible crap and start a website, as long as it's not illegal you can host it on your own.