You will get a good profit on any gambling site if there are enough traffic, this can't be doubted anymore. There is no need to rush everything here, just some believe on every site that you are investing its more than enough. It will get you some benefits as well. As you can see YD is always successful with their investment, either when there is a competition or when it is not. Some big winning like this do not ruin their bankroll into pieces
Actually it does not really mean about the doubt or not, what really matter is about the traffic and how well they manage the site, or may be about their support team as well. There is so many factors about people want to do into this investment, if in the end they can outcome this, I would say that everything is already complete and your investment will keep on raising as well