From the day I enter casinos, I have heard so many people say they are expert and would like to teach me how to play roulette. Both RNG and real one.
Last few times, I went to Macau, when I was sitting at the automated roulette machine, a guy came over and sat beside me. He said "I think when you are betting big, the machine will always against you." (Of course, he was referring to outside bets.) My face turned unhappy immediately, first, I really hate to talk to anyone else in casino (there are no good people in casino, especially in Macau), second, he is a outright loser. When he saw my face, he said with his great smiling "You have to believe me youngsters!" As I was annoying at that moment, I tried to calm myself and replied "What is the difference between a wheel using different balls?" He replied "No difference and I believed they are cheating with using magnets!" And he asked me to leave the casino and went to their casino to play. I left with quick foot. Most of the player don't care about the type of ball used, diamond, and settings. They want simple things like "the law of third" and "after several red/black patterns appeared, then bet for the same pattern or the opposite".
It's a bit off-topic. Sorry!