It seems large herbivores may be important for some ecosystems (and, to be clear, #CAFO are not a desirable ecosystem, they are an abomination)

https://www.theguardian.com/environment/2024/sep/28/cows-help-farms-capture-more-carbon-in-soil-study-shows?CMP=Share_AndroidApp_Other

Cows help farms capture more carbon in soil, study shows

Research also reveals that a mixture of arable crops and cattle helps improve the biodiversity of the land

The Guardian