Just to elaborate on this a bit, If I get paid to do something, work a certain amount of hours, or reach a goal, I will do my best to achieve that, but doing more is whoever hiring you, stealing from you. When I say this, I always get, "Well, what about doctors and nurses" I think their labor should also not be exploited. I don't want health care workers to have to try to save lives on the 16th hour of a double. Just because something is a way, doesn't mean it's a good way.
On the other side of this is hobbies, passions, and interests, I think you should be able to pour as much into something yoy genuinely care about as is healthy for you, without having to prove you are good at it or make money off of it, if you don't want to. If you want to, more power to you!