Unfortunately the odds of winning in the stock market even buying random stocks are still way better than a real casino, and casinos are still around.
Gambling socially, I enjoy. Playing poker with the guys, typically. But the stakes are absolutely tiny, so we really are just playing for fun.
However, I believe that everyone has a sacred right to destroy themselves in any way they like. If they choose to ignore conscience and indulge in gambling, it is on them.
People say this and chuckle about how witty they are but it's the only "tax" that we let billionaires extract from the poor and act like we're okay with it.
If you got a bunch of spare money, enjoy the stock market.