Gambling is risky when you are not prepare to stop when you lose more than what your earn or invest with a particular gambling site or platform. We need to have an idea to take risk cautious as we could do in order for us to earn and learn when we are losing.
Indeed risk is here, but the strange thing is every gambler know that and while it they do play gambling. Take a risk with money and we use our brain till the end to win the game, but in the end our luck decide it that we can win or not. Every thing is unique with us in playing gambling, but we can't quit playing gambling.