Board Thread:Questions and Answers/@comment-74.44.161.77-20150404225005/@comment-1173941-20150621122706

Because then the authorities would use it as a way to send messages into the game, and ultimately interfere with his world and his "fantasy". Kayaba wasn't a sadist who got off on people's suffering. He just wanted to fulfill a twisted fantasy by all means. People just happened to suffer while realizing his dream.