Depends on the rich people, some rich people like to play big but some others do not like it. If there is no rich people play big amount, so who are the one who wagered such a big amount in single bet on some gambling sites? They must be rich people, poor will not able to bet big.
Yeah, it does the calculations in any defeat or victory in gambling is the most good and right thing to do. Because that way we can predict what the actions will be performed for the time will come and we'll definitely be more careful, not careless, and that certainly is not getting addicted to excessive