There are at least two gamblers in the game: you and the dealer.
The salary of the dealer is minimum. The tips of the players are the main income of the dealer. But tips are never guaranteed, because the player decides himself whether to tip the dealer or not. So people who work as dealers are gambling that they will earn a decent living from the generosity of their players. They never know how much they will earn today.
A dealer works for you, not for a casino.
It is so because the tips of the players make a decent earning for a dealer. Dealers are therefore rooting for the players to WIN, not to lose. Many a dealer has been fired for over-exuberance at a hot craps table.
There is no consistency in policy from casino to casino with regard to what a craps dealer can and can not tell players about the game. Several years ago dealers were allowed to answer the questions of the players and even to explain the rules, but now the situation has changed. Dealers are not to tell players about the rules or anything about the game. Instead nearly any casino has an instructor, who teaches players to play the game. Usually there are special morning classes. In Las Vegas you can come across casinos where the instructors give such classes all day long.
Dealers want to help you with your system.
Just because dealers know that your system can't beat the house in the long run doesn't mean that they don't hope it works for you in the short term. A good craps dealer will easily recognize a serious player and will soon be positioning the player's wagers so that the player need provide no direction or instruction at all. The dealer can even advise you to make this or that bet.
Dealer always want to give you the best service.

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