I like your answer too. While I strongly believe the trans talking point is being amplified almost exclusively to fuel culture wars between the working class, your point on out-group mentality is a DNA encoded reality, from what I remember reading.

I think the two compromise the bulk of the answer along with the culture war fuel dumped by foreign entities interested in destabilizing the US.

The only remedy is education. Something that is sadly on the decline.

World in Conflict is one I don’t see talked about. Squad based military RTS.

Multiplayer on that was so fun. Guessing how the enemy was moving in order to time how you call ordinance on them was my favorite part