https://en.wikipedia.org/wiki/Guided_democracy?wprov=sfti1
"Guided democracy, also called managed democracy, is a formally democratic government that functions as a de facto autocracy. Such governments are legitimized by elections that are free and fair, but do not change the state's policies, motives, and goals.
...
It is today widely employed in Russia, where it was introduced into common practice by Kremlin theorists, in particular Gleb Pavlovsky."
That's the system you are defending Zacs... and that is what the UK would be if the opposition did not actually stand for something other than the government.