Staying in the Game - Part 3: Recognition

The writer of the original post states that we as writers need the recognition from others to be seen as writers. It got me wondering why. Why do creative people - writers, visual artists, musicians, etc - need to be recognised as such, whereas other people in other professions do not?
Part 1: Discipline
I got my engineering degree and no one doubted my engineering abilities. I did not need to be recognisedas an engineer to believe that I am one. All the years of studying definitely got that im...