I wish I could say you are wrong, but you are not. If identity politics was so good for democracy, why would Russians use it to subvert democracy?

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It's not over: Russia's divisive Instagram memes are still racking up likes

I’ve personally seen the “KKK has infiltrated police” argument online, which is dangerous as it foments distrust in our institutions. Yes, with nearly 1 million police there may be a Klansman or two in there. Whatever the number, who cares? I’m sure there’s a pedophile working for the NAACP but that doesn’t make the whole institution corrupt.