That's a fact, for some users who uses credit card, they just leave their debt behind without even paying for it. That's is a good strategy and at the same time the reputation is affected by this, after you max your bet and if you win, that's good, but if you lose, you'll just escape the reality where you have something to pay for and that's what makes it UK to outlaw credit cards. Some gamblers are not responsible and accountable enough to spend their money wisely. That's good if they allow to use only debit card so that they can secure their gambling platform to prevent having fraud gamblers to enter their casino. It is not easy to run a gambling website as those credit card users are anonymous in some casino, that's why privacy should be shared into some authority to lessen the criminals in gambling platform.