Obviously, I'm a gambling addict. I have self-excluded from every site imaginable, go to therapy and have Gamban installed on my devices. XYes refuse to self-exclude me despite telling them I have a gambling addiction. Today, I messed up. I deposited over $5000 and lost every last bit. I don't know if I can even ask for it back, but I'm making a point here that XYes is not to be trusted. I looked them up online, found the xyes topic here and I'll be fucked if I don't try to get folks to understand they cannot be trusted.
You lost your money and now asking them to refund (summary of your topic) it to make you happy. If you would win a good amount then nothing was going to come from you. Losing your funds, blaming the casino, trying to take sympathy is not how it works. You lost - that's a fact, now move on. There are no excuses.
This might not be enough; the account is technically still active on their servers and has clearly been flagged as a target. The casino might still be able to send the OP even crazier promotions via old email. The OP would have to seriously mess up the account credential, profile ID and forget the email addresses associated with any casinos.
If someone wants to give up something for real then there are many other ways including the ways you mentioned. OP is simply asking for a refund with a story :-)
So a request for self-exclusion can just be ignored and the casino has no responsibility? In the real world, luckily, that's not how it works.
To others:
Xyes has nothing on their website that lets you self-exclude, no part of your profile mentions anything about that. Their rrspinsible gambling page just tells you to contact chat, which I clearly did back in September. Self-exclusion isn't rocket science.
The way Gamban works is it has a database of websites that are blocked, xyes had not ben added yet. I don't blame Gamban, just myself and the casino. I had an itch and due to their lacking responsible gambling techniques, I got to scratch that itch. I contacted gamban and xyes is now on the list. They're very quick with such things.
I agree that the site will likely never respond, but then this serves as a warning. I also opened a case on casino.guru, maybe sonething will come from that.