This is sooooo true. Even B&M casinos go through the same thing. If someone starts winning multiple times on Craps, Roulette, etc. they start analyzing their behavior/bets and in a lot of cases end up kicking people out of their casino for winning too much by claiming they cheated somehow.
This very short paper was written to try and help people understand the mathematics of streaks (winning or losing). They are widely misunderstood, and people make many mistakes.
https://just-dice.com/Just%20Dice%20Streak%20Bet.pdfDid you know that if you ask a group of people to flip a coin 200 times and write down the results, and ask another group to simply fake the data, you can usually pull out the fake ones with a high degree of reliability?