If you buy the steering wheel of a car and rent the rest of the car and then the owner comes in the middle of the night and takes the wheels, is it theft?
Actually, it's first implied on page 23, but it becomes clear in conjunction with the articles on pages 48 and 49.
The article you're referring to on page 52 has provisions regarding confusion and/or impersonation, following the previously mentioned positive affirmation.
You need the full context of the T&C's, don't cherry pick.