My wife is 40 and her GK is awful, I remember as a kid a lot of the stuff on tv was educational to some degree, the world at war etc, in fact the schools would tape stuff to put in the classroom. Now it’s a reality bollocks and there is that much choice kids don’t watch in my opinion the right stuff. National Geographic, discovery would’ve been a wet dream for me as a kid, I love watching the History channel and stuff on wars, lots can be learned from war documentaries, from geography to politics, even to what people eat in those countries.
Nowadays the attention span of many is less than 20 mins and if it doesn’t involve some stupid dance they seem disinterested. I try with my daughter to give a bit more substance to the stuff she learns at school but I’m fighting a losing battle against cheerleading at the moment!