You have seen the comings and goings now of Trumpism, Brazilianism, and Brexism, and the common theme is why they failed to persist in power ONCE THEY CAME TO POWER. If you look at the evolution of democracy theory since 2016 paradigm shift from normal to extreme liberal democracies in some countries you and you adjusted your previous democratic thinking as now EFFECTIVE TARGETED CHAOS and THE NATURE OF THE COURT SYSTEM IN A CONJUNCTURAL CAUSALITY MODE play a key role you may be able to see that the necessary and sufficient conditions for extreme democratic outcome to come to exist as temporary authoritarianism is different than the necessary and sufficient condition binding to persists under reelections at all costs and become permanent authoritarianism.
And this raises the question: What is the necessary and sufficient condition for exism movements to become permanent authoritarianism from within liberal democracies?
What do you think the necessary and sufficient condition is?
Note: The answer is short.