While city life can be attractive to young and single people, people don't want to be forced to live in Mega-City One, especially as they grow older and have families.
Animal agriculture is 35% (80% of all agriculture lands).
https://ourworldindata.org/land-use
Both are destructive for our environment. But one is worse that the other.
See https://www.niskanencenter.org/sprawl-can-be-good-actually-e... where calling it "sprawl" is actually a massive troll because promoting walkable small towns connected by rail as they have in Europe (or America in the ~1920s) is nothing at all like our car-oriented sprawl.
Why can't we have environments that are somewhere between dystopian 'mega-city one' and unsustainable Las Vegas suburbs?