"Yeah, I think Will was going to move some of those down. I'm not sure that concentrating them all down there is a perfect idea, though - spreading them out to several different places might be better. A concentration of light all in one place sounds like a risk."

Eggs in one basket and all. The people of the Night Market had survived down there without being detected, but would that remain true if a hundred torches were down there instead of on the surface? Can World Eaters "feel" light like haki users feel life signs? Who the hell knows, not him.