While I agree that the post suffers from an unfortunate left-wing bias, I don’t think this bias weakens its conclusions. Most of the discussed anti-polarization interventions are applicable to both right-wing and left-wing autocracy and extremism, so, for the sake of depolarization efforts, it matters relatively little how much authoritarianism is coming from each side of the aisle. The fact that you can also identify anti-democratic tendencies on the left strengthens the case for depolarization.
While I agree that the post suffers from an unfortunate left-wing bias, I don’t think this bias weakens its conclusions. Most of the discussed anti-polarization interventions are applicable to both right-wing and left-wing autocracy and extremism, so, for the sake of depolarization efforts, it matters relatively little how much authoritarianism is coming from each side of the aisle. The fact that you can also identify anti-democratic tendencies on the left strengthens the case for depolarization.