Jyn totally made sense to me. She is far less likable than Rey was in TFA (so cute with her little bread and helmet), but her skill set and personality traits are perfectly coherent. She isn't a Mary Sue, she's just good at what she does because she has been doing it for a long time and had a really tough life. It's not like she starts Force pulling stuff halfway through the movie, or goes toe to toe against Vader at the end.
Although that would have made more sense for her in a way, considering she knew about the Force since she was a kid (clearly not enough midi-chlorians though).
Although that would have made more sense for her in a way, considering she knew about the Force since she was a kid (clearly not enough midi-chlorians though).