The problem is that you can't SAY something like that to normies.
The population is already so sensitized by the "gun" debate that nobody can comprehend the time when every other pickup truck had a rifle or shotgun on the gunrack behind the seat. Nowadays, when was the last time anyone even saw such a gunrack?
And, of course, it's all a sideline debate that ignores all the data about schools in the first place. See The Underground History of American Education and Weapons of Mass Instruction by John Taylor Gatto. Homeschooling is the only way to go.