It never occurred to the idiot that in order for an iceberg that big to be breaking off the glacier,
Earth to cult moron -- it's an ice sheet, not a glacier. Just another bit of the science where your understanding is inferior to that of an average fourth grader.
it must be advancing at a healthy rate...
No, it doesn't. That's why, for example, Larson A and Larson B disintegrated completely.
How do you manage to be so completely wrong about every single thing? It's a rare talent you have there. You must have snarfed lead paint chips by the pound as a child. Even for a denier, you're one astoundingly retarded.