The best way for a single party system to stay in power is to pose as a two party system, thereby creating the illusion of choice where there is none.
I used to think that the difference between the GOP and the Democrats was that the Republicans would tolerate or even support the welfare state as long as they got their wars and their police state, while Democrats would tolerate or even support wars and the police state as long as they got their welfare state.
Now I think that even this subtle difference no longer applies.
That was my point.
US Democrats act like a a cheaters and Republicans act like a cuckolds in denial.
Fiscal policies used to be another subtle difference between Team Blue and Team Red. Team Red would talk about holding the line on taxes and social programs. Then they would expand Team Red socialist spending programs, run up deficits, and raise middle class taxes. Team Blue would talk about taxing the rich and expanding social programs. Then they would expand Team Blue socialist spending programs, run up deficits, and raise middle class taxes.