Rich ppl get addicted to gambling & poor ppl get addicted to gambling. Rich ppl put higher bets than poor ppl because they've got the money but poor ppl can't so they'll gamble according to their finance. Rich or poor they shouldn't gamble.
The truth is that there's no body that can not be addicted to gambling but the poor who are more devoted to gambling are the once being easily addicted more than the rich who are only few in numbers that are dedicated to gambling. Another thing is that many rich people are more self controlled than the more who are bent on making a living from gambling.
Based on the last statement you made, are you advising people not to gamble? If that's a yes, then why?
Rich people chase no reward in gambling this is why they are able to control their self more than poor gamblers. A poor gambler is after changing his life with gambling which might not really be possible to achieve. Most people who are rich don't use gambling as a source of entertainment, if a gambler ever thinks of how to make gambling a source of income it can never be for the purpose of having again