I do actually really like this, but there it is a little ironic that the website advocates for straightforward, unpretentious UI (e.g., one should make a button "look like button" not, say, a kitschy bird), but this idea is expressed not through plain-spoken words, but a kitschy caveperson gimmick.

I think this kind of undermines the point, and goes a long way to showing that sometimes the best way to communicate actually is in a way that is unique.