Or if you have more funds to bet, that is when you have more chance of winning or become lucky to win.
Roulettes in bitcoin casinos have very low limits so having a bigger bankroll doesn't mean you have more chances. You could split them in a similar portion kind of like how units are being used in sports betting.
Only desepered players would be moving from football to roulette.
I think you meant desperate and not really desperate people would bet on roulette because actually sports has higher house edge and winning on sports is more difficult than as compared to casino with a 1-2% of house edge.
Sorry, from where you provide this info?
I guess what he meant is the profit margin of sportsbooks and he's not wrong as sportsbook take 3% at minimum based on
DarkStar's overview. Even though sportsbooks have a higher cut it doesn't reduce the chances of winning unlike in casino games.