We have had a thread or two in the past about who was viewing profiles, and the majority of the time in those (and I will admit I'm most certainly part of that) is when somebody was clicking on a thread title or something and instead got the name under it and was brought to the profile.

I know I do that on a regular basis, on the train going for the last read in a thread and instead get the name under it by mistake.

Though there are people who do keep an eye on it, one poster seemed disappointed when they thought some of the viewiers were there in error.

For those wondering, I mean from this screen: