This is what its all about. This has always been what its all about. The Germans in particular have a very mercenary interest in selling stuff to Iran. I remember as an exchange student in Germany having this discussion with my professor. I said Germanys interest here was purely profit. He, being an old 60s hippie, claimed doing business with Iran would moderate their behavior and make them less aggressive. I remember that conversation like it was yesterday.
I graduated from college in 1994......
The combination of bullying self-righteousness and naked self-interest is one of the reasons they are so "loved" by their neighbors.