The frown in my head goes deeper and deeper as I read the line in the opening posts further and further.
OP, two things:
One, having more than one account is not allowed. Period. Having more than one account to circumvent self-exclusion? There's no way back from that path.
Two, that site you mentioned over and over as their official response, is
not their official. It's extremely likely a phishing site trying to get your account details.
as I wrote above and see the link, they officially present this option in the instructions...
https://bc-game-review[dot]com/how-to-delete-account/
This case should've been closed from the opening post. I'll try to nudge my contact anyway, let's see if they can return the very initial deposit of the latest account as a gesture of good will.