She could tell that the Conductors don't experience fear, sadness, or doubt.

But they are still individuals. It's just as if what was once a bunch of melodies played in different key signatures are now all being played in E Major.

Spirit Companions perspectives have always seemed somewhat malleable and fluctuating, and interconnected. That is still true, but the existence of Tesserae have them shocked. And Tesserae read like Conductors, not like Spirit Companions.