That might be the chance for new sites to take care of the business, once a gambler switch over to their site they need to make sure to do everything in order to make them stay, customers satisfaction is really hard to acquired it takes time to gained but if the new sites really paying attention to what customers wanted to have while playing and then they'll able to provide it will be a good business relationship between them and the participants.
That is hard work for a new site to attract the gamblers to switch over to their website. But if they can do that, they will gain huge members who will join with them because the site can give something different and the site can give satisfaction. The customer's satisfaction is the most important point that the site needed to get a reputation among the other gambling site, so they need to give the best services to their members.
So giving a chance to the new gambling site can be a good way to know if the new site can compete with the old gambling site or not.