> someone at Google is probably looking at the results of their A/B test and thinking “Wow, this new feature is great. Look at how many people are using related searches when they can’t find what they’re looking for!”

I was under the impression that the someone at Google knew full well what they were doing and had no misconceptions about the ratio of unintended to intended feature use, but were also savvy enough to know what their manager or whoever is reviewing their promotion packet would likely just see a high usage rate and not dig into why it existed.