SirHumphreyAppleby:
Why should I give a random Customer Service person at a retailer information that potentially puts my financial interests at risk? Posts in this thread haven't exactly painted a favourable picture of retail staff, citing them as one of the main perpetrators of refund fraud.
I obviously haven't filled out my date of birth on my Warehouse account, but with a full name, date of birth, phone number, address and account number, they'd have most of the information required to verify my identity with the bank. Default bank passwords used to be your mother's maiden name, so with a quick trip to a major library to look up birth records, there's a good chance you could check that off the list as well.
But they didn't ask you for that, they just asked for your name.....