Let Me Play as an NPC?

[Kahnom]

I could see there being good reason for it, actually. Currently the story is limited in scope because outside of very occasional, short scenes, it can only show us scenarios the WoL could reasonably be present for. If we were able to switch PoVs to another character on occasion, it would vastly increase the freedom the writers have to tell/show us parts of the story outside of what we're directly able to see.

If you mean the side-stories outside MSQ,SE has already added them on Lodestone.
The tale of dragon-something about Aymaric and Estinien’s past,well I didn’t read them though.