This reminds me of the immer funny David Zuelke explaining the difference between "North Germany" and "South Germany" to a group of non-Germans. It was at an after-phpDay drink a few years ago.

According to him, you can find the famous German Gründlichkeit in The South, with The North being the exact opposite. He used the Berlin airport as an example: "it was an endless failure". This was in 2011 or 2012. I wonder how strong opinionated South-Germans like him look at this today.

I think for non-Germans the difference in Gründlichkeit is probably not noticeable :)