That description doesn’t fit most Bavarians, it’s really more Prussian, but that is the general character of the nation. Very procedure oriented, rules are sacrosanct, try breaking one as a tourist and watch even modest, prim little Frauen go all bugeyed furious on you, lol.
Germans:
Top down rules and discipline.
No one questions authority.
Cost efficient to the point of insanity.
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Now Belgium is another thing. My father said many of them had never left their villages their entire life. He had no trouble with them. They hired a local to help the company cook and they grew very fond of her skills.
I was in Germany (Bavaria)for two week last year. I found Germans to be the most rule bound people I have ever met. . . until I went to Oktoberfest where they really let loose.