Vox notes that making people be tolerant ...

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... results in intolerance:

The arguments for the anti-racist position are weak and everyone knows it.  That is why the one thing they cannot permit is free and open discourse on the subject, which is a red flag in the eyes of those of every sub-species, color, or creed who happens to value human liberty. 

In life, we all have to interact with those who are different because of race, and we all know the bad apples from the good. But when those more 'in the know' than we are tell us that other races are no different (or worse, that we are the beneficiaries of white privilege) we immediately see it for bullshit and harden our defenses.

And the result is the opposite of what is intended.

pm