Comparing adding two ice cubes to a full cup of water with an iceberg in the ocean as if the scales were anywhere similar.
http://www.tigerboard.com/boards/view.php?message=16149763
BTW, NASA fears are for how it will affect near by stations performing scientific study. They are not talking about sea levels rising. It is an ice shelf, meaning it is already on water.
https://www.upi.com/NASA-worried-iceberg-twice-the-size-of-New-York-City-may-break-off/1211551113267/