I think that the awkwardness of using this as a camera, coupled with security policies against cameras in many companies, makes a camera a "why bother?" item.

I think that the awkwardness of using this as a camera, coupled with security policies against cameras in many companies, makes a camera a "why bother?" item. So they add support for an add-on, and especially for plugging in a SD card or camera for image management, which by contrast will be very popular.