Gambling is for fun. It's not a way of living or someone's primary income source. If you understand this, then the whole concept of this will become clear to you. Gambling does not require special knowledge or skills. It's sometimes simple games or something else which depends on your luck. It's always a 50/50 chance no matter how you look at it. despite what it is, people get the thrill of taking risks and potentially winning something that is like a dream. It is a kind of entertainment if you take it as a fun activity. The rush in blood and brain attracts people. Also if we look at it in psychological terms, the dopamine release in your brain gives you satisfaction which can be achieved by gambling. There is more than one reason why people still gamble. So people will still continue to gamble despite all the allegations. It is not a mystery, it is all in human minds.