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I bet it was because of this topic of his: A small tweak solves the double spend problem without a blockchain (previously titled: Proof of Advanced Delegation).
The OP had some crazy idea about a new version of the transaction mechanism that would eliminate the double spend problem without a consensus mechanism and blockchain. But when other members began to point out contradictions and shortcomings in his idea, he continued to make changes to his original post, explaining that he had "fixed" the problem. He obviously didn't like the fact that people were constantly quoting his previous statements, so he came up with another stupid idea he presented in this topic.