Conversely the community could be feeding incorrect information to the entire main feed.

If your community is unable to handle something as basic as a dissenting opinion - through civil discussion - there is a problem with your community. There are innumerable diets out there: ask yourself why you don’t see their lifestyle coming under fire. You can’t pick fights and then cry foul because you are the minority.

Are vegans all awful people? No. Of course not. But there are a significant number who elevate their lifestyle to a religious status and feel compelled to preach and inflict it on others. THAT is unacceptable.

Drinking bleach to kill a disease is technically alternative information. It’s even backed indirectly by science: bleach kills bacteria. The difference here is the information is harmful, incorrect, and being presented as science backed.

Simply put- just because an echo chamber wants to drink the Kool aid - doesn’t mean we should allow them to share it with unwitting passerbys.

Not everyone is going to do the due diligence and assume that the group is wrong: so it is potentially damaging to allow that misinformation to be spread. Multiple examples exist of why moderation is needed.

Freedom of speech is not absolute. If it limits others freedom, it must be checked. If it can harm others, it must be checked.