And this often happens in casinos, even well-known casinos, they do not accept what happened even though it was actually an intentional or unintentional mistake and it is still a violation and tries to defend themselves as if the casino made a mistake or even committed fraud in the hope that there will be a defense from the other party or did it on purpose.
And I see most of them are new accounts or beginners, but there are also those who respect the casino and admit their mistakes without defending themselves and that is a mature attitude to just keep quiet and go find another casino without making any more mistakes and I really appreciate gamblers like that.
Usually, that happens when gamblers don't read the TOS and they just register their account, deposit and start playing. But once they have a problem and contact the support system, they will argue that they are right but the fact is they are doing a mistake. If they want to admit their mistakes, that will be good but many people will say that the casino scammed them and others but they don't realize that is their mistake.
The casino will not force a user to stay on their place especially if they cannot accept the support explanation. So it will depend on the user which they will they choose, to stay at the casino and realize the mistake or leave the casino.