All these concludes me that you do not have enough bankroll to protect your business. Playing in your casino for high rollers are risky. Thus I will leave you a negative feedback. The feedback will be reconsidered only when you will show following and the results are satisfactory:
1. Current Bankroll with blockchain evidence
2. Show data of you claiming OP's winning rate was 97%
I would not recommend this. I strongly disagree with your #1 condition as no casino is going to share this with you or anyone else. If you decide to continue with this action, you need to tag every casino as to not be biased and be ready for the consequences it might bring from all casinos and their supporters. I would love for this info to be public as well, but I just don't see all casinos agreeing.
Cursing does not help anything. We tried to be polite.
He seems that he can't be patient and sent us messages/ posts/ threats via every channel every day, so we offered an solution to settle sooner.
Now everybody said we should not do that.
No matter what his responses or actions might be, it is your responsibility to act professionally no matter what. Yes he might push buttons and piss you off, but in the eyes of the public
ALWAYS BE PROFESSIONAL .