That's not the point Steve Jobs was making. The point is: if you care about what you do, you'll do your best even when you don't have to. Because as far as you're concerned you do have to.
Steve Jobs was a well-known woodcarver and carpenter. When he wasn't at Apple, he was usually found in his garage, finishing off a new wardrobe or a sturdy deck chair.
I believe it was sarcasm intended to show that just because Steve Jobs gives an example in a field he has no experience in doesn't mean you should take it literally.
