Yes, how else would they verify that is your account, unless you provide the password? SBR might not care about your wager history. The IRS certainly does though. Certainly you wouldn't want to piss off anyone at SBR if that is the case, would you? Its not like anyone associated with the gambling industry has ever blackmailed someone before
My apologies I don't see the benefit in people providing information that potentially could implicate them in felonious activity, so they can get whats equivalent to
TWO FREE PIZZAS EVERY MONTH.