A species made of light? Well, that explains a fair few things.

[ Will he elaborate? That remains to be seen. As it is, Emet-Selch simply shrugs, again turning to the matter of the natives of this place. ]

I wouldn't worry yourself overmuch. What's done is done, and we have very little time here as it is. Certainly not enough to go unraveling the mysteries of how these machines lived.