That would suggest that leaving the Euro would be much better for German workers than for large German investors. Given that lowering wages has been a decades long goal of German conservatives, such a development  would give those running policy in Germany a significant incentive to compromise to maintain the Euro, were their membership in the EZ to be threatened.

But it doesn't answer the question of what would cause Germany to want to leave the Euro.

"It is not necessary to have hope in order to persevere."