Unfortunately people like this can openly market theirs scam without no consequence... Too bad really.
Nobody should enter try this shit, the scam is obvious.
How is this a scam? If you are the early miners you get $90 a day that's true. As the pool difficulty gets harder you get less because you are competing against other miners. You can see the payouts at
https://oracledoc.com and instructions on how to mine
https://mediccoin.com/foldinghome-using-gpu/