This is a positive relationship, like between the birds on the elephants back, who eat all the poop blah blah horrible paraphrasing of that other video
In Boomerang, Michael Lewis visits European countries that had noteworthy involvement in the 2008 financial crisis. Germany, being the country that seemd to be affected the least, was one of his trips. His main takeaway from the country seems to be that Germans are obsessed with scatology.