If you don't know how the online casinos work and never tried to play, don't judge about online casinos. There is many legit online casinos who don't scam and you can earn if you win it. Gambling is very risky and it's only for "play", gambler know how the risk about gambling and how they spend their money to play it. It's why beginner or newbies should stay away about gambling if they think casino is only scam and lose your money. But, the truth is Not all casinos is scam
People shouldn't underestimate the abilities of an online casino, especially when they haven't tried every online casino site because they have different characteristics. Apart from that, gambling gives you unexpected result that is why that you can't always guarantee that luck is in favor of you. There are various of good casino sites and people should do a further research to find which one provides a better service.