I'm sure I've said this before, but it's important to remember that the EU and Euro projects were projects by elites with little popular support. Obviously popular objection wasn't so strong as to prevent it, but it really was a project of the People Who Run The World, and not some idea cooked up one day by Greek farmers, or whoever.
The point is that whatever problems are happening right now exist because the people in charge fucked it all up. And for that the little people, including Greek farmers, must be punished.