Having done a bit of googling,
there are claims that the kid is homeschooled and can't read at 13.

MONGS.
( BraynDedd Natasha Kaplinsky's labia majora, Tue 26 May 2009, 11:10, archived)

I've met people who were state schooled and can't read at 24.
Maybe he's just thick.
( Moon Girl Technologies horrendous beanbag, Tue 26 May 2009, 11:12, archived)