(....)
Is this just another scam, or is it actually possible that some people have genuinely profited from these groups?
Some people do this for extra money. If they are legitimately providing some signals, especially in sports betting, I don't think it's a scam. But if their signals are just coming from other sources, like they just copy it somewhere, I can say it is a scam.
Plus, even how legit these groups are legit or free/non-free, you cannot guarantee 100% wins or profitability. The risks are still there.
There are so many free groups in Facebook, Telegram Twitter and other social media that offer such gambling services. There also free prediction sites where you can get dayly tips for