Idea for anarchy to take over:
If the leader of a dictatorship goes afk for 2 full days, then anarchists may begin to spam a single image of his. If the count reaches 500 (This may change) comments before he gets online and disables his comments, the anarchists have performed a successful coup.
another method: If a majority of a Dictator's police force turns on him, they become in charge and can choose a similar style of government with different rulers or can turn to anarchy, whichever they want