and your relying on sympathetic locals
This would also be true of a guerilla civil war in the US though. You’d be relying on locals–people that had probably had friends and families killed by gov’t military operations and indiscriminate bombing–to help you root out insurrectionists.
Would a large number of 2A supporters be in favor of tyranny as long at it had an ® next to it? Sure. Certainly not all of us though.