1) The same reason why we don't notice germs on in our day-to-day lives: we're so much more awesome than they are.
2) When you're that huge fruit is too tiny to pick up and eat, so you have to settle for eating other living creatures, which leads to being aggressive and predatory.
Ok, I admit my answers aren't really in-depth scientific answers. Please don't hurt me...
This message was edited 1 time. Last update was at 05/20/2018 04:58:13