Taking Advantage

The loyalty card issued by Boots the Chemist is one of the best available: The Advantage Card as it is styled gives the shopper 4% discount which can be used to purchase products in store.  There has also been an additional advantage for shoppers aged over 60: they have been entitled to a 10% discount off the price of  Boots branded products which when combined with the Advantage points equals 13.6% discount on these products. They call this the Health Club

Yesterday we received this letter telling us we would

"Get more treats than ever with 10 points per £1"

So the 13.6% discount is being replaced by 10% which is more treats (?)



Will the Oxford English Dictionary report this redefinition of the word More?
I think they are taking the*****