It does say the fruit has been changed by humans, so presumably there is some evidence supporting that.
>Back when the giant beasts roamed the earth, the avocado would’ve been a large seed with a small fleshy area—less attractive to smaller mammals such as ourselves. Through cultivation, humans have bulked up avocados so there is more flesh for us to eat.
>Back when the giant beasts roamed the earth, the avocado would’ve been a large seed with a small fleshy area—less attractive to smaller mammals such as ourselves. Through cultivation, humans have bulked up avocados so there is more flesh for us to eat.