You can decrease your Deposit Limits at any time and this will be applied immediately.
Before increasing your Deposit Limits carefully consider if you can afford to do so. Never decide to increase your limit because you have lost money and think that you will win it back by gambling more. If you wish to increase a limit you will need to wait 24 hours before we action your request and then return to our site to confirm that you still want to increase it.
I quoted it from a gambling site.
This is just an evidence that their is nothing called deposit limit. Assuming you set it to 7 or 30 days and you set it to $100. Once you bet and lose the $100, you can wait for 24 hours to increase it above $100.
Without discipline yourself, you will increase the limit and gamble more. I have been into gambling for many years, this is one of the problem I have faced before.
But for people that gamble daily, setting a daily limit can be helpful. It is the only one that is useful.
So they can be overridden, it just takes a window of time - which is still good for the purpose they are intending. What I'd like to see is a bit more emphasis on the amount being spent rather than just the time period. Often you'll find a gambler will escalate in a exponential way, so if they lose control one day they might go from a $100 regular spend to dropping $2,000 when they're in a bad cycle. In such a scenario, it would be better if they could only double their previous days spend, which would force them to spread their betting across 5 days before they could spend that amount. Maybe even a sliding scale back down to prevent it staying much higher than their average spend.