A little bit of hyperbole, perhaps? She won't even change the balance of the court, let alone cause the end of America.
Maybe not, but it does not help. Given the fact that they are nominated *for life*, your outlook is very shortsighted. What happens down the line if we confirm her, then (God forbid) a conservative member croaks/quits while we have a radically left group in control? That "slim majority" does not look so appealing now, does it?
Look at it this way.. in the last two gun cases, we were *one vote* away from losing our freedom. I don't know about you, but anything other than a unanimous decision supporting our Bill of Rights is too close for comfort.