Reminds me a bit of Douglas Adams (in a strange sort of lateral way). It's the sort of writing that you come to with one expectation and leave in total bewilderment - but strangely satisfied. Dirk Gently lives - and he's into Ruby (whoever she might be). Now all you have to do is work out how to remove a sofa from the stack ....
At the end of the day he hasn't got a cat in hells chance of teaching anyone a programming language - but you'll kill a few happy hours, days, weeks, months wondering what you started reading for ...
Personally I think you should invite the guy over here to teach a Ruby class ...