I don't know how to fix problems like this, but as an analogy: if a group like this represents a solid tumor, the social media business model demands that it receives maximum blood flow. https://www.theguardian.com/technology/2019/feb/12/facebook-anti-vaxxer-vaccination-groups-pressure-misinformation?CMP=share_btn_tw …
I don't know. Those solutions worry me just as much, I think, especially because I think corporations are increasingly going to dictate things related to our health. The tradeoffs for these public issues are...all pretty unhappy.