Gladiatorial combat was used to help preserve the social order. Public executions were often just that but skipping the combat part, and people would often cheer them on like a football game.

You'd be surprised how little people care about innocence and justice. They care more about the entertainment value and reddit drama of discussing the convictions than actual justice or truth.

People want to hear that bad things are being done to "bad people", and won't interrogate that label too deeply.

I think the point is believe.

I agree that it takes just little to believe anything. But my point is that we can not divorce the belief