Comment by WarOnPrivacy

In 1979, Ixtoc I released 3.3M barrels into the Bay of Campeche (DwH released 4.9M).

By the time DwH happened we had already learned that

    exposed, high-energy habitats bounce back; 
    sheltered and deep-sea habitats do not.

ref: https://www.frontiersin.org/journals/marine-science/articles...

ref: https://beneaththehorizon.org/ixtoc.html