Mr. Yun wonders about the nature of the Halo itself.
Mr. Yun (TKKai@aol.com) writes:
One thing's for sure: "It's not a cudgel...you barbarian!"
...I thought that it seemed a little heavy...
But seriously, Cortana is obviously stating that Halo doesn't just kill/destroy everything. It's a "surgical" doomsday device, if you will. There more detailed descriptions theorizing how Halo kills, but I thought Cortana's line summed it up well.