Nowdays giving very very unwanted, non relevant, offers instead of cashback or atleast points,,, Your AI know what user wants according that you will show everything,but when come to cashback or offers....you don't really worry about customer want or not, Atleast give us to give back feedback about your proposed voucher is relevant or useful or not so that you should not provide those again and again, they simply getting expiring. Otherwise are going to use many other payments.