Earlier quoted context omitted.
> considered to be sustainably harvested (by NOAA, the Monterey Bay Aquarium, others) maybe they considered incorrectly, based on historical data that doesn't reflect recent conditions also possibly that regulations are being flaunted by bad actors it could seem improbable that either of those would lead to a sudden catastrophic decline, but many systems do experience a point where what had been a linear decline sudd…
In previous collapses such organizations sounded the alarm well before. Something else is happening.
The alarm has been sounding for at least a season, maybe even more.