Others don't need to get away with anything. They can simply choose not to join the EMU like the UK, Czech Republic, Poland and Hungary did, or to delay joining

Others don't need to get away with anything. They can simply choose not to join the EMU like the UK, Czech Republic, Poland and Hungary did, or to delay joining until the currently broken (by design) monetary union is fixed. It's easy to force reforms on other countries when somebody else is in the driver's seat.