Bitter experience has taught us how fundamental our values are and how great the mission they represent.
In other words, I think that if an audience listens to something as an experience of how in tune it is or something of that kind, that the whole point is somehow being missed, and the music has failed.
In the end, my reasons for moving down the timeline and introducing a new cast have more to do with keeping myself entertained, on the assumption that if I get bored, my readers are going to be even more bored.