Fruit-bearing plants aren't edible for the sake of whoever is eating them, but for the sake of the plant itself. The animals consuming the fruit are used as a v

Fruit-bearing plants aren't edible for the sake of whoever is eating them, but for the sake of the plant itself. The animals consuming the fruit are used as a vessel for spreading the seeds. By being edible, tasty and nutritious, the likelihood of an animal eating the fruit and spreading the seeds is increased, and so both the animal and the plant wins.