It's really hard to believe you accusations as you aren't indicating in the OP your explicit reasons in such a way that Coolcryptovator have suggested. Also, making us redirect on an external link, despite the link's legitimacy (dropbox), wouldn't really be a good effect as most here in forum are aware with the security vulnerabilities upon clicking any links. But in my investigation and making the connection to your post, I think you accusation would fail. First of all you need to have a good and reliable thread, then how strong was you accusation was.
The user you've been accusing (erc20casino) is seemingly focused in his promotion and some of replies in his posts seems to be supporting your accusation. Here's another user accusing:
If someone have some more information, please share it to that user.
To win the argument, just edit this thread containing explicit proofs.
Even I myself would support if you had a strong accusation