Over here, they need a teacher with a sidearm handy. Goofy kids are the least of our worries.
I’ve seen photos of just that scenario. They are realistic. Good for them. Maybe their attitude is; Enjoy life, as much as you can, but always, always be aware of your surroundings, and have a plan of action should you be threatened.
I have heard that not all Israelis think so defensively, and some are hoping to vote Bibi out next election cycle on March 17th. Time will tell. Every politician has a career pattern, even very effective ones. There will be a rise, a plateau, and a steady decline. Just look at how Winston Churchill was ousted after The War.