he thinks we arent understanding that the £750 24 month contract is cheaper over that 24 month period than 2x £450 12 month contracts would be (£450 x 2 = £900 over 24, naturally). He thinks people arent clever enough to see that but he hasnt considered that by the time he is signing up to his second 24 month contract, the guy on the 12 month contract would be signing for his third, and subsequently will be receiving his third phone. now all things being equal, is it worth paying an additional £250 over a 24 month period if it halves your upgrade time and gives you a second shiny new phone after the first twelve months?
of course it is