A large component here is simply risk tolerance. Society's risk tolerance, especially for kids, has fallen pretty dramatically. This is probably related to just how many fewer kids US society has in general (births per woman has fallen in half since 1960, and it takes a culture some time to catch up). If you have fewer, then the individual ones become that much more valuable. Your attention and time is divided much l…
Cheap, hand-held TVs delivering custom-tailored traumatic word-salad clickbait videos to kids would have created so much paranoia among suburban moms in the 80s they would have forgotten to be terrified about crack/cocaine.