What a complete load of tosh. Education is about teaching children valuable skills they can apply in their daily lives. How many of them would ever see a PC running Linux again? The cost argument doesn't really stand up either, books cost money and 'do nothing but line the pockets of the publishers' to paraphrase the author. It's not as if computers running Linux cost nothing either. If Linux is going to find a place…
When exactly do children apply geology in their daily lives, or calculate refraction? It sounds as if you're making a case for home economics, basic arithmetic, and reading to be the only subjects. Maybe marketing?