Replacing horses with cars will free up those horses to do other productive work, like pulling plows and turning stone mills, thereby benifiting the horses.
I don’t agree because horses are extremely limited in function compared to humans. There is a very small set of things horses are useful for and you’re right, we’ve mechanized most of them.
Replacing horses with cars will free up those horses to do other productive work, like pulling plows and turning stone mills, thereby benifiting the horses.