If you read the article, one of the analogy points to this. Compressing everything to a point.
But I had the same question few months back. Asking Claude is fruitful in this case.
If unitarity and the no-hiding theorem are true and the Big Bag emerged from a point, doesn’t it follow that all the information about the universe was once contained in a dimensionless point?
If unitarity and the no-hiding theorem are true and the Big Bag emerged from a point, doesn’t it follow that all the information about the universe was once contained in a dimensionless point?