Oh my, that's insane! I have played pretty often and never got a 1000x even with my tiny bets. Gongratulatons for whe winner, he deserves that for gambling bets 0.01 btc. I bet that big gamblers like that have brought your casino profits as well.
The casino always makes a profit from the house edge.
I agree that the prize is huge, but we don't know how much he lost to get this a x1000 multiplier. Anyway, Zoher has a good chance to win tesla($70k) considering that he wagered more than 94 BTC at the current moment.