They are presented attractively for the same reason that kittens are cute - so that they can draw you in, then pounce on you for the kill. Seriously. Stay away from kittens.
Brandon SandersonPeople can do great things. However, there are some things they just CAN'T do. I, for instance, have not been able to transform myself into a Popsicle, despite years of effort.
Brandon Sanderson