Damn, that's a shitty situation. Especially the video with the 2 accounts under the same email really looks messy.
What exactly did the casino guru thing bring. Did BC provide evidence for their claims so that CG can make a ruling. Also, you actually never played or got any bonus ( clean transaction and betting history ) with the other account I assume?
I've tried numerous times reaching out to BC.game to get this resolved, only for them to ignore me and just c/p same response. Later on, I've (and other players) filed a lawsuit against them for not fulfilling claims, which we won. And they were declared bankrupt. Only to avoid paying out our winnings and switch jurisdiction.
I am aware of this situation, this was in around November/December last year right. A court in Curacao declared them bankrupt so they quickly left the country and got a new license on some even smaller island.

I didn't know this was because of a court case against them though, even more messy.
In here BC makes raffles and giveaways all the time, but treating their players fairly is not on their agenda. Cutting bonuses in half 1 day before paying monthly/weekly last year, raising house edge over night without notification an so on, that's terrible. I also left the site for good a while ago, couldn't stand it anymore.