All programs which describe themselves as an "HYIP" will scam their customers eventually.  It does not matter how long they take to scam their customers, they will scam their customers.

You may think that this is a subjective opinion, but it is not.  https://en.wikipedia.org/wiki/High-yield_investment_program

Put that into a compound interest calculator.  12% per day is 4380% per year.

If you put $100 into that program and you allowed it to compound daily for a year, your final balance would be worth $82,292,499,203,913,880,000.  Now do you still think it's okay?