I think he was being a little hyperbolic, but the core concern (that programmers look competent right up until you have them write a FizzBuzz) is very real.
(Source: I've helped hire lots of programmers.)
Sadly I have run into people like that. To this day I am convinced they paid someone to stand in for the interviews.
Sadly I have run into people like that. To this day I am convinced they paid someone to stand in for the interviews.