LCBO sells to feds, diplomats at 50% off — why?

Ontario’s liquor board has sweetened an already sweet deal for the federal government and foreign diplomats as it chops the prices they pay for beer, wine and booze almost in half. Late last month, the Liquor Control Board of Ontario began offering its products to federal departments and agencies at a 49% discount from the retail price that everyone else pays. This is the gist of a CP story in  the National Post. Th story does not seem to say just why it is suitable to offer this type of bargain to federal officials and embassies.  National Post