alt Hacker News> with modern technology, and a ruthless enough autocracy, there is possibly no way out from under it. Technological progress only makes this problem worse.
US may not have autocrats, but it does have ruthless enforcers of "law and order" with access to advanced weapons. Its probably safe to say thst whatever the stated reason is for the 2nd amendment, it is going to be difficult or impossible to meet its objective if needed.
Yes, there are advanced weapons. 2nd amendment folks are "outgunned," but it's still an important deterrent, because it makes these kinds of massacres more costly. If the government is hunting these people down, and they have nothing left to lose, they might just take a few with them if they're armed.