Prime example of juvenoia and biased stereotypical thinking right there. "Back in my days ..." ™
I know more kids in the ages up to 13 who are interested in actually exploring and working with technical stuff (programming and electronics for example) than kids who spend their most time just "consuming" and using these things. The main reason is that these things are much more accessible these days. YMMV, depending on your social and demographic environment I guess ...
Granted, I also set the bar relatively high. (Example: are those skills transferable.)
It does give me some hope that future generations will still use computers and not just tablets.
I'm not saying that's what you should do with Minecraft, but it could be interesting to see how such an interface is usable.
I agree with the rest of the take but you seem to be coming from a developer's standpoint and I am talking about the user side. Developers back then also had access to terminal and knew how to use it. It's just that the entire software industry has grown.
When I was 10 years old, we had to write a turtle program in DOS. Tell me which 10 year olds today know CLI? They're all plastered to their iPads.