German language films are fascinating...offering glimpses into the people...For instance:
1) Berliners/Prussians/Northern Germans look down on Austrians...they are considered drunken party animals...disparaging term... "Schnürschuh"
2)Austrians look down on Berliners/Prussians/Northern germans, they consider them pompous assholes...the disparaging term Austrians have for them is "piefke"...
3)Berliners/Prussians/Northern germans look down on Bavarians as uncouth hillbillies..disparaging term..."bazi"
4) Bavarians look down on Berliners/Prussians/Northern Germans...disparaging term...Saupreiß.
Otto Waalkes explains Bavarians.