it is not wrong but maybe to certain people it can become wrong, If it leads you away from friends and family and more towards gambling and chasing riches then it is a wrong fit for you and a hobby you should not pursue any further.
So it can be wrong or right depending upon the person.
As long as it affects you and distracts your daily routine in real life , then that is wrong for you to do... Take note that it is not just gambling that could go wrong..Anything that has a "negative" effect on you and how you manage your affairs with other people are wrong, just like cigarettes and alcohols, if you abuse it, there will always be a bad effect...
