But I was reported by moderators that our forums were spamming by casinos everyday.
That's how I discover casino affiliate. But I never thought of spamming anywhere! I don't think you get anything from spamming. I reported every spam I got. I don't think they are getting anything.
Black Hat Techniques are typically techniques which involve stealing content from other websites and creating a TON of websites in order to spam google (or other search engines).
There really are a lot of techniques, including email spam and others - but all are considered unethical and make the industry look pretty bad as a whole.
To be honest with you, I think the casino industry is bad. But with the help of spammers, the industry look worse.
If they have the time and efforts to steal content and creating ton of sites. I think google have a way of detecting them. If we report them to google, their page rank gonna go down.