Back when computers were nowhere near capable of teaching kids, one can handwave away issues with the tech by saying “when the tech is ready to do this, it will be great” essentially. When the tech is at the point where it can sort of do something, but not do it well, one instead imagines how badly things might go if one tried the notion right now instead of at whatever point in the future the technology is good enough to actually do a good job.
Because having a revolver or a rifle or something is going to really do anything if the government comes after you personally.
Any actual resistance movement capable of achieving much is going to find a way to arm itself regardless of if the country theyre from allowed guns during peacetime or not, they seem to in other countries that such things have formed in after all. Could be through illicit purchases from elsewhere, or homemade weapons, or theft, or whatever else, it always seems to happen.