I too cut my teeth on a BBC Micro. My school had ~20 of them. If they'd bought PCs, they would have had maybe 5?
The Raspberry Pi will do the same thing today, especially in poor countries which don't have computers as a matter of course in their schools.
You're talking from an overly Western-centric perspective when you say that typing "python" is cheaper than the RPI.
The world has 7 billion people, many of whom live in poor countries. At $35 with the ability to use a regular TV as a console, this thing is well within the reach of poor person even in a poor country like India to buy as a splurge for his kid who he's told my their teacher is bright.
I, for one, think this is going to be revolutionary.
PS: I also plan to use it for some home automation projects. It can run off of batteries (!!!!!), and is a plain old GNU/Linux distro. How cool is that.