Betting ads are good because they help people get a feel for how much they can lose, how much they win and their odds of winning something. They also get people thinking about making bets in the first place by showing that you can win something. Real money gambling ads help motivate people to make better financial decisions when it comes to gambling.
The essence of a successful gambling ad is the accurate representation of all components of the commercial. It should not only be informative and interesting, but also establish a sense of urgency, to keep the viewers interested within an allotted time.