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as if any gathering of people doesn't have their own culture.

Where did this idea come from that people are cardboard cutouts that you can write on to perfection?

Having said that, I don't agree with your second paragraph at all. Individuals would get into shouting matches when they disagreed, but if you think for a second it's more diverse in todays cancel-culture I can only conclude you're not thinking well.

flame wars have been a thing since almost the beginning, and contrary to what you may think, politics and differences were a _major_ driver of that.