Gallup's "Best Friend at Work" Question

Do you really need a 'best friend' at work?

Excerpt:

... it being a Gallup copyrighted question, we have a few good reasons. 1. Even on basic grammar considerations it isn't that great a question. The question consists of the following statement which is accompanied by an agreement scale: 'I have a best friend at work' Does it mean my best friend works with me? Or does it mean that I have a colleague who I like more than other colleagues who I would consider a friend? Or does it mean I can identify anyone as being more friendly than my other colleagues? Many people tell us they have a 'good', 'close' or even 'totally awesome' friend at work, but 'best friend' is often described as confusing

Comment: The YouTube version of the above:

Comment: I sleep with my best friend at work (wife works with me). In our Q12 meetings this does not get a laugh