The better question is why is this article in Pets/Animals?
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What? Elephants, in addition to making great eating, are even better as pets. And they are, believe it or not, as old Ripley used to say, actually animals - just used ones. no biggy
I have herd the miniature elephants are known as great pets. I guess that begs the question of whether their tusks are also good to carve into tiny tools.