Yes a bit selection bias in my case. > referencing existing documents throughout American history that show just how vitriolic communications were. > Do you k

Yes a bit selection bias in my case. > referencing existing documents throughout American history that show just how vitriolic communications were. > Do you know many corn farmers from the Midwest states? Do you know any deep sea welders from ... Maybe you're right that those groups of people more often communicate in the ways you say. At the same time, maybe they do also in Mexico or Italy or Kongo and in lots of other countries too. So the examples doesn't really mean anything to me. Thanks anyway for explaining how you were thinking. The US is a large country and by cherry picking examples one can "prove" anything one wants.