Pros: Wooly mammoths are fucking badass
could be used for meat, etc
Cons: Introducing a giant extint species into the wild again
no natural predators
there habitat is shrinking
much of there habitat is used by humans now
"You put on your boots, click into your bindings, dust the snow off your skis, and head out for the chair, and it doesn't matter that you failed a test, didn't get the girl, or that your life is on a one way trip down the shitter, your world is right for the next couple of hours."