1. All the colors are really similar and bleak, indicating the perceived equality of all people, as in the ideology of communism.
2. He thinks that communism is bad and that it's ruining something that was once good - our society.
3. He's saying that this is what a communist's perfect world would be. Also, he's trying to be ironic by saying that there is no perfect communist society- that communism can't work and could never create a perfect society.