"Plants do not want you to eat them. They are not here to feed you; they are here to procreate to the next generation of their species. You eating them is a damned inconvenience, so they will discourage you from doing that."
- Professor Bart Kay
Discussion
Animals dont want you to eat them either but thats why they run away. Plants however have toxins to stop you from eating them
"Don't eat things that are highly evolved to poison predators—as they don't have legs to run away or teeth to fight back—so they can survive and reproduce like every other organism ever."
A first-principles approach to diet that only fiat world would have you believe is crazy.