I think this is correct right now.The movie might make for good theatre but the premise Americans en masse revolting not happening.
Civil wars happen when political solutions run out and when certain things happen.
Imagine something like a major political party rigging elections in their favor, or where an established federal administrative state undermines a sitting president and also works to limit and censor speech, and even goes as far as forming a de facto Orwellian Ministry of truth. Imagine a party proposing a Supreme Court packing because they want to permanently control it. Also imagine where one party uses the parts of the justice system they control to investigate, charge, prosecute, and jail their political opponents.
If things like that ever happened and they became permanent aspects of how the federal govt relates to its people, and political corrections were exhausted, that's when the possibility of civil war and a revolution against tyranny to sustain natural rights might erupt.
As spoiled and distracted as Americans are, I think there is a horde that would rise up against those who would grab power at the expense of their rights.