Two of them jump at the command one the other one, one out of fear (because he has ended the careers of every rep that has crossed him), and the other has been packed with life-time-appointment sycophants who put loyalty to the cut over anything else.

Russia (or literally any other dictatorial tyre pyre) also has three branches of government and a token opposition, for all the good it does.

Just because you have a nice piece of paper that outlines some kind of de jure separation of powers, doesn't mean shit in practice. Russia (and prior to it, the USSR) has no shortage of such pieces of paper.