Modern democracy is based on the separation of powers and, in the vast majority of countries, a constitution or charter(s) that can't be overturned by a simple majority vote. For example, a party can't suspend Habeas Corpus on a whim, even if said party won the presidency, the Congress and the Senate.
But just ask the Supreme Court who carved an exception for the FED and not other government agencies...
Why would this be far fetched? Many civilized countries, including the U.S., have similar policies.
Hungary's Orban had been in power for 16 years and if he'd won the election it would've been impossible to ever remove him.
Abducting and killing people in the streets, immigrants and US citizens alike.