Reliability is a very important factor when choosing where to gamble. Players would likely to keep gambling on reliable casinos where they have build their trust after playing there for a lot of times. Since they have trusted the casino already, then there's no reason to find another place only to gamble. Also, these promo offers on deposits are important too since it will drive the interest of the gamblers, and also make the casinos more alive and very enticing to play.
Agree with. That's the start of the loyalty of the users on that site.
Regardless if there's a wonderful and big promotion at a new site, nothing beats the reputation that an old casino established throughout its operations.
Users will still play at these reputable ones over new ones, obviously because of the positive reviews that those old sites gather as they progress.