This is the 2nd jab at unions you take in this whole thread. It's a bit mind-boggling as if unions were the demise of automakers then Audi, Porsche, Volkswagen,

This is the 2nd jab at unions you take in this whole thread. It's a bit mind-boggling as if unions were the demise of automakers then Audi, Porsche, Volkswagen, Mercedes and so on would never have been profitable given Germany's union environment... It's a cheap shot that you seem to like to reiterate. What's the source you have that unions are the most problematic issue to automakers' profitability?