No. As the populace wouldn’t support it otherwise.

It’s not a good system known for its merits or efficiency or anything else. It’s weaponizing hate and fear and ignorance by bad actors in the pursuit of power. Base avarice. Self serving. Power seeking. Nothing more complicated than that.

Is there any example that shows it would work in practice?

Why would they not just be a democracy if people would choose to keep them in power regardless?