Not much else to say, except it should be very obvious now that the mac pro series is being discontinued. This reminds me of those product pages from Amazon a few months ago showed discontinued and amazon was forced to change that.
www.macrumors.com/2016/10/28/apple-out-of-display-business/
www.macrumors.com/2016/10/28/apple-out-of-display-business/