Pirate Wires writer @JonasYDu reveals how a 10 PM joke about throwing a pro-data center party at his house turned into a 400-person event backed by companies and organizations: "It was pretty clear to us that this was not coming from a place of rational debate or fact-based policy making. This was a response to the public backlash and hysteria around data centers." "One of us threw out the idea, 'Why don't we just throw a pro data center party? That would be pretty funny.' This was about 10…