“Do you want to be a Writer, or do you want to write?” I think that almost any question of the form “Do you want to be an Xer, or do you want to X” is useful these days.
100%. As a kid growing up near a golf course I knew lots of kids who wanted to be a pro golfer (me too). Did they want to spend 10 hrs a day at the range hitting ball after ball? Not so much. Lots of people want to be Warren Buffett - do they want to read 10-ks for 10 hrs a day? Not so much.