In your last sentence, you did mentioned that no one can make better decisions than yourself and at the same time you were advising people to research from where ? But from the work people must have done before now.
Maybe he wants us to be more careful in selling some of the coins we have in order to get big profits so that when we decide the wrong way there is no deeper regret, because we are often wrong in determining coin sales or purchases maybe when we just follow phomo without doing a fairly accurate analysis.