The problem, like all hybrid regimes, is the inflexibility of the system promotes widespread disillusionment, anger, and frustration and if the lid ever does blow off -- who fucking knows?
I don't know where that tipping point is in the US. Nobody does. And nobody knows what would happen afterwards. But a lot of people are afraid of it.
You're more likely to see the fascists doing pogroms and death squads in the street first anyway.