The megafauna thing is a bit of a puzzler, but it’s a quite parsimonious thing to assume - given that avocado is toxic to nearly all mammals. Except sloths. And humans. The latter arrived to late for avocado evolution (in the Americas, at least). The former… Have you ever seen a sloth handle an avocado?
Avocado hand is a hilarious term coming to think of sloths…
ETA: I think I haven’t had a thread for quite a while which was so much fun and triggered me to like so many posts.
Thanks, everyone.