Look, we actually have documents (go look at wikileaks, no I won't do your work for you) that prove that Germany has been instrumental in making sure that Greek milliionaires avoiding taxes aren't followed to their Swiss deposits and other tax frauds.
The only problem is that the German Banks might have to suffer a loss for Liar's Loans they made under the Goldman Sachs "promises" that Greece could be in the EEC (EU monetary combine), which even internal German audits show was known to be a lie.
The banks losing their money is what is supposed to happen when they make bad loans.
That and the lack of repayment by Germany for the war looting of Greece during WW II, which has never been repaid.
Does Greece have a strong economy? No, but it never has.
Is there massive tax fraud in Greece? Yes, but there always has been.
Is this a major risk for the EU? No, because
All the rest is sturm und drang by Reichsmarshalls in Den Stadt.