With the data you've shown, it's clear that Metawin wasn't heavily affected by the hack.
However this a sign that that they system was vulnerable and no one knew the reason why. It might be due to flaws in their information system security or some human related factors which has allowed to breach their hot wallets. BTW, the potential of any wallet breach is factor which prevent me from keeping large sum on casino's account, thus I used to use the withdrawal om my wins
if any as soon as possible.
I guess no one just expect that to happen and that is lesson learn for people who manage their casino that they should tighten up more their security and check on which area the hackers would attack them so that they can avoid any other hacking issues that might happen again in future. But we see how Metawin do some action and eliminate those fear immediately that's why instead of people losing their trust in this casino they gained good confidence since they see how the team manage well the unfortunate situation happen to them.
We should keep away huge balance to any casino account and deposit only the amount we can afford to lose or afford to spend.
Metawin really need to look into their security system really because if such a huge lip hole can exist and this hacker's taking advantage of it, that means there may be some other lip holes that metawin may not be currently aware of, and could be used as a point of attack for them in the future, because having allowed Ethereum withdrawal of up to 25 Ethereum without KYC is somewhat out of thoughts for a centralized platform like metawin.
Although they said that their will be working to improve their security situation and conditions which I know it will be changed from what it used to be, because such incident if repeated know one knows how much will be lost by that time.
Although no customer fund's was affected in all of this, which is something to be happy for and the team was able to rectify and fill up the hot wallet almost instantly when the incident happened.