Exactly most of the sites attract new users by showing them various schemes to multiply their coins in some hours and people fall to them hoping that it will be done very easily, but we all know what the fact is.
We all know the fact because we all have been through what they are going through or whoever will go through, everyone needs to learn the lesson so that they could stay away afterwards from that thing, that is how we learnt it and that is how they will also learn it, because they wont listen to you if you try to stop them they will just think you don't want to them to earn profits.