I think you could be right about that, but the fact remains that it hasn't happened again. The government has to do something to keep murder out of schools. If someone gets killed, it should never be on government property, while they are in government care. Blaming guns is a deflection. Too much money is made off the education system, and there is high motivation to not change that.9/11 and airport retrofits did nothing to stop anything.
9/11 happened because very few securities factors took hijackings seriously as a threat. Something to be prevented sure, but the goal of hijackings in the past was to take hostages and try some sort of extortion. As such the response at the time was to let the hijackers have their way and then get the plane on the ground. Almost all hijackers fail at that point, and no point provoking them into killing people. 9/11 style attacks and hijackings in general are almost entirely prevented by changing that response.
Other attacks are pretty much uniformly prevented by soft measures. post 9/11 the FBI and the various security organizations have stepped their game way the hell up and have managed to step on something like 80% of all known planned attacks before they were close to getting off the ground.
Finally 9/11 triggered a monumental shift in culture, in how everyone in America views potential terrorism. Despite media prattling about America under attack or whatever, there is essentially no support amongst any group the USA, and there is a large push to bringing potential threats to light. In almost every successful attack, the threat was known, but the government had insufficient information to act.
The TSA has played little role in this, and what role they do play has little to do with the continual and absurd expansion of their powers. infact the TSA and it's failings are one of the better current examples of how defensive and reactive strategies don't work.
gun culture in the USA is broken. Regardless of individuals, the net culture both lacks responsibility and glorifies violence. Until people want to confront this, one way or another, we will keep seeing this narrative play out. "Young disaffected male who probably should never have had unsupervised access to guns kills people because violence is a way to assert his identity and/or take revenge for perceived wrongs." sums up damn near every one of these cases. The attacks aren't random, the problem doesn't exist on this scale anywhere else western world and the issue is systematic. It's also relativity new
Festung Amerika is not an answer. If schools aren't a target, malls will be. if those aren't libraries will be. if those aren't, gyms will be.
And lys, yes you've made this into a discussion of education. You're blithely suggesting something that would result in the utter demolition of the American education system. It is what American excellence is built on, and for all it's numerous faults remains one of the best such systems in the world. It is, quite literally what the American golden age was built on. What your proposing is sacrificing something that has had close to 2 centuries of continual success to "solve" a problem that only exists in the last 30 years. LBJ, both Roosevelts, Eisenhower, along with a whole history of some of the greatest people in America going back to the 13 colonies who established the foundation of what exists today have all supported public education for a reason.
lets take a personal example from you. You've mentioned your experience in a military school and how it benefited you. Do you think you'd have gotten that if you'd been stuffed into a room and gotten math lessons or whatever of a screen? I guarantee one of the first thing they emphasized to you was the importance of being part of something larger than yourself. There's no room for that in what your proposing, and that's the least of what you want to do away with.