Especially those that aren't in the elite, but are sponsored by the likes of Hoka, or Salomon. What do they do all day? Obviously they'll go for a run, usually in the morning I'm guessing, but then what? Just sit around trying not to get hurt while putting the rest of the day in?
Most of us are able to fit our training around our daily lives that include working, so it's hard to see the need for a "professional runner".