My opinion from the beginning * Platform dependent messanger is a terrible idea, but perhaps anyone have right to implement legal terrible idea. * Why the US

My opinion from the beginning * Platform dependent messanger is a terrible idea, but perhaps anyone have right to implement legal terrible idea. * Why the US people widely adopt terrible idea? It's terrible as designed. * Although, since it's widely adopted in the US, it should be opened, maybe. EU won't help because they don't adopt terrible idea.