Greek austerity imposed by Germans had resulted in the doubling of debt as percentage of GDP.
Which Germans imposed Greek austerity? AFAIK Greek austerity was imposed by Greece's major creditors, but Germany was only one of many.
Between Brussels and Frankfurt (EU institutions I mean) the general consensus was that the Greek situation was more akin to loansharking than anything else. And Germany was undeniably the largest driving factor behind this approach, and the country that most benefited from it.