When there is no law in place in its true meaning, no one is truly safe and any official could abuse power but also could fall victims of power abuse of others. Xi and his family could be facing the same 10 years later.
US has it own problem of a different scale. When you have a hatchet sunk in your back, you'd cry foul; when a needle pricked the tip of your finger, you'd cry foul too. The difference is the nature of the scale. Pointing to USA's problem to justify Chinese barbaric civic/law system is naïve; it might confuse some but certainly not all.