If you're going to make criticisms like this, it would be helpful to include specific links to cases where you think moderators got something wrong. That would let readers make up their own minds, and would also give us a chance to review possible mistakes.

I don't know which political prejudices you think you're observing. People make very conflicting, indeed opposite, claims about that. (No, that's not a both-sides argument. It's just an empirical observation—in fact an extremely well-established one.)