Casinos know man likes beauty, so they offer beauty dealers on card games, like blackjack, baccarat.

So people feel happy even if losing money, because they love the beauty dealers.
That is right. Knowing these is an advantage for us not to be swayed by these baits by casinos. Some gamblers even play with high bets to impress the dealer and that dealer is effective and is doing good in that scenario. Thus, always bear in mind to not play with emotions when in terms to gambling instead, play according to your pre-planned bets - without emotions.