This advice is good for the subset of people who are realists. For the optimist, it's akin to saying 'do what you love and you won't work a day in your life.' T

This advice is good for the subset of people who are realists. For the optimist, it's akin to saying 'do what you love and you won't work a day in your life.' The optimist will be happy to "make things" no one needs which have no practical value.