Personally I have found that on HN there is more of a dictatorship of phrasing than a dictatorship of ideas. Here's the short list of ideas you can't say on HN no matter how you phrase them, I think you would agree that this is not excessive:

- "Individuals of one race are better or worse than individuals of another."

- "One gender is clearly better or worse than another."

- Anything about Republicans or Democrats

The origin of this list is not that the mods are biased, it's that they have a 100% correlation with foaming at the mouth.

As far as I can tell that's the whole list. Anyone care to add to it? Do not repeat the actual arguments, that will start a flame war.