For getting the wanted results and consequences it is inevitable to have efficient information. Questioning: Why? How? What? is always healthy. Finding the simple logic of reason and consequence is very helpful. Without intelligent work good results are not possible.
Are you interested in playing the piano or you love diving into an illusion of enjoying yourself while playing a piece wonderfully? If you not interested in the process of practicing itself but interested in the “illusion of playing a piece effortlessly” it is very easy to end up abandoning your journey, because one moment you realise what it really takes to play a piece well.
Just instinctive action is always average or below that. For being successful you need to be different from the rest. Avoiding the problem explained in this video will make you differ from most of the other people. Probably you will be in the top 5% if you really manage it.