Let them do whatever they want to their money, afterall they have the capacity to do it and thinking that they will have their investvent grow even more. It is not clear in your statement when is the exact date he bought bitcoin. Im just thinking whether he is now have his investment back or crying in the corner for his big loss. I just want to know how his financial adviser convinced him to invest in bitcoin, because it is really effective. Imagine 750 bitcoin ($5 million in the time of purchased is not a joke) is a big money and really help somehow to increased bitcoin price