mobile phone promos

If I cannot understand it, why do you think I will buy it?

The link is a landing page from a Vodafone ad in Stuff. It starts off with a ‘due to huge demand the blah blah blah has sold out”, continues on to list a confussingly long list of T’s and C’s and I still don’t really know what the deal is.
I thought these guys were marketers? Looks to me they are lawyers…