[watwut]

Imo, the whole concept is idiotic and serves nothing.

Of course it is possible for one developer to be better then other, but it is not necessary fixed. It changes during lifetime of same person, depends on technology, experience, type of project and other factors.

Meanwhile the typical use is to look at some stereotype you have in head that has nothing to do with the project or position at question and then wonder why it did not worked out.