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Are these kids hacking on the Linux kernel or something? Of course not. They will be using some app/language running on the OS. They don't need access to the OS source to do that. I even mentioned libc. There is more to an operating system than a kernel. In fact, this was an important part of my early computer education: when I was 12 (1994) I bought a copy of Slackware Linux because it had a free compiler (even Turb…
I think you overestimate the need for access to the OS for learning things. The cracking scene, demoscene and games industry was almost exclusively built on Windows. A lot of that was just as, if not more, advanced as what a Linux programmer does. I do think the trend of iOS, Android and similar Windows environments is troubling. But if they ship Windows 10 on the RPi with something like QBasic and Visual Studio it's…
I think you mean commodore, or atari. Windows gaming came a long long time afterwards. It is more advanced in some ways but it does not beget OS programmers, like an open source OS does. If OS programmers die out, we're in very deep trouble.