I have plenty of examples how gambling helped people to find themselves. A guy from parallel class of my school started playing poker many years ago, participated in offline tournaments, but ended with having a poker blog/poker school/poker team. Plenty of people I know work for gambling industry. If that is not a good side (salary/something that you love to do bring you money and joy), then what it is? There no good side in gambling when a person focuses only on money and result, but skip process and entertainment part of it.
They always think about that gambling is all about risk but they didn't see that there's good thing that they can benefit on gambling especially if they explore lot of good things about it.
And this is some example of benefits they can get with this industry.
Relieve their stress.
Improve their concentration
job creation since this industry needs people to work on their company.
And last is they can build connection that can possibly help them or they can possibly have a good deal in future.
If people look at on this positive sides then maybe their view towards gambling would provably change.