Apparently the definition of "sustainable" comes from the United Nations, not NOAA: https://ocean.si.edu/conservation/fishing/sustainable-fishin...
They also disagree with you that they've never been sustainably fished.
They also disagree with you that they've never been sustainably fished.
So the "new sustainability" under climate change has to be much more precautionary than before, and yet not shut down on false signals. It's tricky science even when intentions are good.