For some of them yes, probabilistic calculations will make all the difference. Blackjack is one of them
For others, it may not help you that much, like dice games.
Yes Blackjack you need to know the cards people play and need to remember it in order to have a high portability of wining the game. Here experience and smartness play a key role in Blackjack. But on roulette its more of a luck based game. Even if maths started to help that much do you think casinos would allow that they may also change some format accordingly.