It looks like the terms and conditions have changed and you only get the 2500 points when periods of high demand will not allow access.
4. Diamond members will receive access to the Regency Club or Grand Club lounge in hotels that have the lounge. During periods of high demand, access to the Regency Club or Grand Club lounge may not be available; therefore Diamond members will receive 2,500 bonus points per stay plus daily complimentary full breakfast inclusive of one entrée (or standard breakfast buffet), juice and coffee (tax, gratuity and service charges included) for each registered guest in the room, maximum four (4) people.