To risk dropping my objective ideological stance in this thread, you allude to an important point. Public fora belong to their participants as a society, not as

To risk dropping my objective ideological stance in this thread, you allude to an important point. Public fora belong to their participants as a society, not as individuals. It is reasonable and required for societies to define taboos and proscribed opinions. It is inherent. That is why speech free from government interference is a powerful idea: it avoids the tendency of societies to perform a sort of regulatory capture and enforce their taboos with ultimate power. Here on Hacker News there are complex taboos around how we may express our opinions and the type of posting that is deemed detrimental. While it is important that the government not enforce these taboos, it is neither wrong nor necessarily evil for a society to enforce them through its use of free association - and exclusion.