As Stalin demonstrated even when you're totally loyal, you're still frequently made victim of the terror.

The point of totalitarian regime is that nobody should feel safe, nobody should have an agency. In particular the people shouldn't be able to obtain safety themselves even by the way of being totally loyal.

I have no doubt that that guy was corrupt like any other official there. Yet, he isn't punished for the corruption. The show needed another star, and he was chosen to be that star.