The idea of popular guerilla resistance gets romanticized a lot but in reality guerillas need to be highly organized and disciplined. On this topic you can read Che Guevara’s guide to guerilla warfare. You will see it is a lot more complex than your average gun toting American who fantasizes about taking on the government or an invading army like Rambo.

n i get that, but for example, in the middle ages, every guy that counted a bit was part of the lord’s militia, everyone owned their pikes and shields, and they were on call in case of an invasion, that system would be cool