You can only set your profile to not appear publicly in searches, and even that is non-trivial. If you want your profile permanently deleted, you have to email them with a form that I could only find through a Google search that led to their Q&A forum. Even then I'm not sure how "permanent" that permanent deletion is.

Point is that the OP was suggesting that AOL MBA's fucked up the company by making the sign out process overly complicated to maximize revenue. That's not unique to MBA's or AOL, but for some reason that's the perception I suppose because AOL isn't as cool as Facebook.