They’re talking about the desktop application.

Maybe there’s a cultural idea about mirrors being somehow “the same”. After all, a mirror shows the same thing regardless of which one it is. Or related in cultural mythology to a singular adjoining world that contains your doppelganger (in such media, you don’t usually have a separate mirror-self for every mirror, but one that can be accessed from any mirror). Also could be a turn of phrase that stuck without a good reason.

1. Misalignment is a huge problem in any black-box system, not just in AGIs.
2. What would it look like for us to be close to AGI? I have doubts that we’re close, but it seems at least plausible.

To poor for vegetables, lentils, beans, grains, and tofu? Meat imitations are currently expensive, but aren’t at all necessary.