Looks even more centered

Yes they should. From the top comment it appears as if the commenter has a difference experience.

No, it’s the lower frequencies that make you sound deeper.

When you speak, the voice is fed back to you through bones, so lower frequencies are dominant.

The image implies that the track on the left meets the use case criteria

While being more complex and costly to maintain

Because recreating entire object just to make a single change is dumb.

God help you if you’ve already passed the object by reference and have to chase up all the references to point at the new version!