Steve's barking what is the German model?

I'm beside myself trying to figure out what the German model is as far as the Euro Zone is concerned.
My understanding is the other counties in Europe are Germany's biggest trading partners by far and away, and the trading is uneven with the Southern Europe importing more then they export to Germany. Now logic would tell me that Germany would do everything in their power to help their European brethren to buy their products, include loaning or even giving grants to help with the cash problem that these counties have.
But noooo, they insist that these countries have humongous  austerity measures.
Is it because no one helped them with the unification monetary crises they had when Mr Gorbachev let the wall be torn down. Is the German government pissed off and is cutting off it's nose to spite it's face.
Are they trying an experiment to prove how austerity in one country can destroy the economy in another country that is on sound footing. 
Is Germany trying to show that they can behave like idiots, just like the rest of Europe did after world War One?
Do they think that by forcing drastic austerity measures they can colonize the rest of Europe? ( If that being the case look out for the American revolution of Europe). 
Then again I'm clueless for asking these foolish questions!