The only problem that comes with gambling, is it's addiction as someone who never tried it before decides to try for the first time and then "boom, he cashs out a huge amount. You don't expect such person to stop gambling. This will make him or her, to try more even when he encounters losses.
Even addiction is never a problem as many people consider it to be. The major problem associated with gambling is when you don't know when to stop. Chasing your lose has been the major problem gamblers struggle with. When we talk about addiction, we are referring to when a gambler is use to play often and devote most of their time to gambling. It's possible that you are addicted to gambling but you definitely know when to stop gambling and you are not chasing after your lose, in that case, addiction is not a problem but on the other hand, you're not addicted to gambling, that's you don't play gambling on a regular but whenever you play and you lose, you continue chasing your loss without knowing when to stop. In such situations, gambling will harm you more than someone who's addicted to it but knows the right time to stop. Some people actually play it once, cash out big and never try it again thou.
Addiction is not a problem and it usually depends on the individual's own decision in fact greed usually works in individuals after winning gambling. As more and more power comes gambling becomes addictive after a big win it's good to rest for a while. It is not possible for any gambler to win continuously due to successful usage. If not aware getting more money in the same place through the casino in a short period of time can become addictive and can lead to various types of chaos.