Local pizza place put their website live before opening their first store... They had all these amazing testimonials from their long time customers all over it.....
Like companies advertising for people with a minimum of ten years Java experience... in the late 1990s.
The "Czech guy" is DiodeGoneWild, here's an example of the level of his reviews, although I like this one better. Maybe it was someone similar or I've misremembered it, but I was sure there was one where there was a neatly-drawn circuit diagram and then the camera panned over a bit to reveal the giant skull and crossbones on one part of it.