Well, you have a point. Lack of proofs means invalid accusation, you can compile them all in one thread, when and how did you scam this scammy gambling site. Once you have it all, you are also one of the other victims. Submit on this thread for your scam accuse toward this site, ^{[ https://bitcointalk.org/index.php?board=83.0 ]}.
We cant definitely trust this gambling site because there is a couple of scam accusation against them and as you can see, the OP was had a red warning on the profile and gambler should aware on this.