Investing and gambling both involve risk, but they play by different rules....

https://highstylife.com/how-do-casinos-calculate-rtp-and-why-is-it-stable-over-time/

Investing and gambling both involve risk, but they play by different rules. Casinos openly share their RTP, showing you expect to lose over time. Smart investing embraces positive expected value and a long time horizon to grow wealth