Question was about Ambassador/Royal Ambassador
Which mean that Point 4 as mentioned above does not apply....
However
the following is the language that is relevant
"When staying on Reward Nights, all Ambassador and Royal Ambassador Privileges apply with the exception of upgrades, free Pay-TV film per stay, 24-hour guaranteed room availability, 8:00 am early check-in and complimentary mini-bar beverages (where a cost for these benefits is applicable)"