Who's Afraid of Grexit?

The NYT finished a piece on the status of negotiations on Greece's debt with the comment:

"The bigger fear is that a Greek default could force the country eventually to be the first to leave the 19-nation euro currency union and threaten the regional integrity of the broader European Union."

It would have been helpful to tell readers who has these fears. After all, the current policies being imposed by the European Central Bank and the EU have cost the region millions of jobs and trillions of...