Of course kids still play with them, Ive always encouraged being versed in shooting with my sons. Marksmanship is important, just knowing how to shoot is potentially a life skill
That channel is awesome, some good alternative ways to defend yourself if you don't have guns.
I have a few high powered slingshots, a crossbow and 2 compound bows, and enough assault knives, hatchets, meat cleavers, axes, and daggers to arm a small revolution, but I still don't feel like it's enough.