How come Norway, literally "the world's largest producer of oil and natural gas outside of the Middle East" [1], responsible for over exploitation of fisheries,

How come Norway, literally "the world's largest producer of oil and natural gas outside of the Middle East" [1], responsible for over exploitation of fisheries, is also a pioneer in enforcing rules like these. I'm not complaining, I just find it unexpected, perhaps I'm missing something. [1]: https://en.wikipedia.org/wiki/Norway https://en.wikipedia.org/wiki/Norway