The Cultural Revolution days of an autarkic closed information loop when the Communist Party could dictate a narrative for an isolated and impoverished society are over for China. To believe otherwise is to undermine the very links to the rest of the world that have enabled China to become the ever-more prospering world power it is today.
Whether all these figures are anti-heroes, or in some cases something else entirely, is an interesting question. As is the question of why anti-heroes are so important in quality television. Short form answer is that they match the times. It's a mostly cynical and sour era, with little faith in institutions or, generally speaking, leaders.