Not very charitable to either dismiss as a lie this section of the post[1] or else to comment without having read the short post at all.

[1] (If you’re curious -- in our tests, removing authorship generally does not seem to reduce traffic to sites. Nor does it increase clicks on ads. We make these kinds of changes to improve our users’ experience.)

I'm curious what their metric was for "user experience."

I did read that portion - but anyone who's done any work in search for very long knows that's google's response to most thing (the recent removal of exact match in ppc is meant to make the platform more accessible, but really just increases impressions / clicks by default and removes the fine tuning that you could do on an advanced level).