I was just joshin'. I do like how scientists find a phenomenon (big circle in the ice, not frozen over again) and go about theorizing how to explain it (meteorite? Nope. Blue ice catches more sunlight, melting snow, water drains into a pool atop the ice shelf, until a drain is melted in the ice shelf, then the water drains away. Presto: big ice circle where the lake used to be. That to me is cool.)
Looking at the videos, I was struck that you do not want to be near that whirlpool (or, God forbid, in the water) as that water is draining.