If you don't have anything to add to the conversation besides "but what about what the rest of the world is doing", then why bother to comment? I don't know why

If you don't have anything to add to the conversation besides "but what about what the rest of the world is doing", then why bother to comment? I don't know why any post mentioning China makes you people come out of the woodwork to argure that the rest of the world is just as bad.