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Pretty sure this meant the technical details of dealing with the increased traffic of the HN hug-of-death, rather than moderating policies.

The "PC" made me think he was talking about political discussion, but I added some caching in https://github.com/lobsters/lobsters/commit/e99c0783aa386740... and I'm thinking https://github.com/rails/actionpack-page_caching would be good for logged-out users.