Diamond Club Privileges/Benefits are clearly defined by the brand aka Royalton. The bracelet defines you, the traveler, as someone who is entitled to all of the benefits that come with wearing it, and yes, that includes the services of a butler.
We were told and sold the same information used to attract many buyers so they cannot claim this was the failing of 1 or 2 salespeople. It's all scripted.
When the time comes to plan a vacation, they renege on their offerings but if you read your contract there is nothing in black and white that says, BUTLERS EXCLUDED. Disney and Marriott don't pull the rug on their members and neither should TSVIP.