Something that is incredibly minor yet makes me very happy is that in RO they actually bothered with each X-Wing’s individial markings. I wasn’t sure if I was just seeing what I wanted in the cinema (although I am sure I saw Blue Leader, Blue 2, and Blue 4) but this leak confirms it - high-res screenshot of Scarif space battle: https://ewedit.files.wordpress.com/2016/12/an1-ff-000831.jpg
I wasn’t concerned about Chirrut’s skills at all. Why? There are instances of people who have lost their sight and compensated with other senses. I remember seeing a documentary about a boy (hopefully a young adult now) who lost his sight and his hearing developed like a sonar; he can build a “3d scene” just based on sound. I know a biker in the UK who can do that too.
Chirrut was a Guardian of the Whills’ temple, so he was trained to fight. He may have had a decade or more to adjust to his loss of sight, and he is Force-sensitive. If anything was a bit far-fetched it was his bowcaster being able to damage a TIE-Fighter so badly that it crashed. I think the movie heavily implied the Force protected him.
I, for one, actually enjoyed that return to form for the Force being something vague and mystical.