He dropped it under a Christmas tree, not on Christmas. It landed December 15. It was then impounded, removed, and relocated two blocks away.
Be that as it may, he's said it's for sale since 2004 on the condition that the artwork doesn't move. If Wikipedia knows this, a hedge fund knows this. Could they have bought the sculpture and avoided all controversy? Yep. Did they have to? Nope. So here we are.