Really gambling boost some people financial capabilities only if you are guides on how to partake or how to play such game example soccer and casinos. But gambling does not increase wealth alone, it also decreases wealth when player losses game frequently. So therefore the benefits is equivalent to the lost, both has advantages and disadvantages.
When it comes to gambling, losing and winning are always present. It's worst if it did took all your money after the massive losing streak. On the other side of the coin, if you're fortunate, the best thing to happen is to have big winnings from it.