because gambling can make a lot of money in a short time and with little capital, so many people who want to get rich instantly from gambling
Yes Gambling can make lot of money at short period of time but whenever you see it for long period of time always it results to get loss. But it is very easy to use and do not require any hard work so most of the people got addicted towards it. When you got addicted then it is always tough to get out of it.