Like many things climate related there is a significant lag-time, in human terms. As stated in the article the implication is that if humanity survives the climate crisis it could take centuries to undo the damage to the oceans. However it is much more likely acidification will cause a trophic collapse and kill off the sea life before that were to occur- we have already lost around half of the base of our aquatic food chain, phytoplankton, since 1950: https://www.cbc.ca/news/canada/newfoundland-labrador/ocean-p...
There are widespread problems with sea birds dying of vitamin B1 deficiency, for which phytoplankton are a source, indicating this collapse is already in motion: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6196476/
There are widespread problems with sea birds dying of vitamin B1 deficiency, for which phytoplankton are a source, indicating this collapse is already in motion: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6196476/