Short of writing breakdowns for every episode and being even more annoying haha, I’ll just say that it really just depends on your preferences and what excites you I guess. I personally had a feast to chew on every week and sure, it wasn’t of the plot moving, action variety, but I found it incredibly concise in every ambition it had.
I guess to help you level, I wouldn’t concpetualize Mothma’s arc as “backstory”, implying it as a piece of a larger puzzle being The Saga. It’s its own Story in itself and if you can’t appreciate in on those terms, then it’s whatever