Earlier quoted context omitted.
It's only work if your sustenance depends on it, or if you bet on it to make it big, if you need to be compensated for it. Otherwise it's a hobby, and enjoying your hobby 10 hours a day, 7 days a week is an envious life, if you can afford it. (Barone specifically could not; he had to have a part-time job as an usher in a theater; that was work.)
As someone who's done game dev professionally for a decade, as well as had countless personal projects and has known others to have done the same: don't underestimate the toll game dev can take on you, it's a cruel mistress. Stardew Valley is a massive outlier.
It's only work if you tolerate it for the reward on the payday.