This is correct, the unknown experiment of removing sulfur from the upper atmosphere causing a more rapid heating of the ocean just ended.
There are talks of the decrease of whales and the loss of their scat, which is high in iron. If they are calculating the amount of iron in the ocean if those animals haven’t been slaughtered… We would be kick starting the process
Whaling has caused irreparable harm to ocean ecosystems. We only recently learned that whales contribute largely to carbon sequestration due to what you wrote. Again, people who dismiss iron fertilization as a legitimate solution are a major concern. We need solutions to be implemented NOW.