I think that's an important distinction. He's not giving diligent work short shrift, just trying to exclude drudgery from leisure time specifically.
Then again if "Dance Monkey" won't stop playing in your head... doesn't mean it's great art.
as many other commenters wrote, if one is just supposed to wait to get inspired, wait to have something to love and be unable to stop thinking about, a wide majority of people will wait forever.
I have a much better time when I try something new, give it everything I got, and try to learn everything I can from it, even when I do not like it. This includes hobbies.
That being said, I wont force myself into doing something I hate. It's just the absolute approach of the article that I have a problem with.