The parents seem to have some vague concept that spending hours each evening on Facebook and YouTube will impart, by some sort of cybernetic osmosis, a knowledge of PHP, HTML, JavaScript and Haskell.

The truth is, kids can't use general purpose computers, and neither can most of the adults I know. There's a narrow range of individuals whom, at school, I consider technically savvy. These are roughly the thirty to fifty year-olds that have owned a computer for much of their adult lives. There are, of course, exceptions amongst the staff and students.