I am beginning to think that the only time a gambler gambles for fun is only when he gambles with what he can afford to lose. In this case, a gambler has $10,000 as his savings, and he gambles with $1000 down, he or she won't feel sad when they lose it (it means they gambled for fun). But if a gambler who has the same $10,000 gambles for above $5,000, and he loses all of them, the gambler won't be happy about his actions,
Someone being fine with losing a thousand dollars from 10k savings, bugs me, because I would not be fine and regret the decision to gamble in the first place. It is a huge amount of money from where I come from. Still as long as it is kept within the "fun" domain it is fine. There should be a ceiling on the max budget to be spent on gambling otherwise the spending becomes difficult to keep track of.
Bankroll management and risk management are two thing if a gambler starts to do they will no longer be an addict.