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Evan Wagner's avatar

This is a well-argued piece. But the current polarization is better understood as a rift between partisan identities, not ideologies. Most people, and especially committed partisans, have incoherent positions on the “issues,” and coalitions form mainly around keeping the evil bastards in the other party out at all costs. I think that nuance explains some of the statistics you cited better than “depolarization” does — voters do view their own party less and less favorably, but statistics show they also dislike the other party more than ever.

It’s true that ideological variation exists within both parties, and policy priorities often align. But policy conversations happen almost entirely within parties and not between them. In DC, most congresspeople simply give up on making any legislation when their party is out of power. Voters don’t punish politicians for not trying to get policy done; their main priority is preventing other politicians from taking the reins.

I’m also skeptical that two sub-coalitions in opposite parties tend to unite to pass more centralized and heavy-handed policies. Marijuana legalization has seen some actually successful alliances of the type you describe, while many of the potential policies you listed are on the back burner.

Last thing — there’s robust evidence that polarization does indeed have a snowball effect. Just plug “political polarization self reinforcement” into Google Scholar. So it’s not a fallacy to treat polarization as something that, all else equal, will increase in the near term.

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