This article doesn't state that you can win at roulette by using math, it says this at the end:
We can dress up the layout of the wheel, the layout of the betting cloth, our number selection and our money management system however we like, but the maths is always there, quietly working against us. You might as well just have fun, pick random numbers and trust to Lady Luck. Either that, or do as Einstein suggested and steal chips (not that we’d recommend it).
So no, it's not possible to win at roulette just by using math.
For other games it's possible, but keep in mind that casino's are doing everything in their power to prevent you from doing so.
I'm thinking of blackjack specifically, they have security measures in place to prevent you from counting cards. If they even suspect you're doing this, they can ban you from the casino.
For pvp games like poker, you can effectively use math to gain an edge over other players though.
I guess you were right my friend. We already knew how the casinos and gambling sites work, they wouldn't let anyone win that easily, or as I am saying it was just pure luck, but when in casinos it is kinda different than online gambling site, if it is possible, they would not let someone win. And so i think math doesn't help you win gambling.