In plato's republic the benevolent dictators choose their successors to also be benevolent dictators, do not know if that could work in real life but the CCP do chose their successors, and not based on blood lines
https://in.news.yahoo.com/xi-jinping-undertakes-fresh-round-...
Another thing that doesn't inspire much confidence is looking at Hong Kong. The people there have unambiguously and collectively spoken about their desire to live under this system, often at grave personal risk.