4. The militarized police and armed forces have been training for years to combat civil insurrection. The military has been practicing urban warfare under the guise of terrorism to learn what works and what doesnt in civil insurrection. They have empty camps, empty train cars with shackles, amd millions of plastic coffins just waiting. And they didnt arm the local police with mraps and machine guns to not use them.
5. Most importantly, the maga deplorables dont have logistics or allies. All you would have to do is shut down wal mart in these backwoods towns to cut off their supply lines. You could just shut down walmart, mcdonalds and cut off internet access and they would surrender or die from starvation in a week.