Star Wars: Celebration 2017 - 10 Things We Learned From Doug Chiang’s Rogue One Panel:-
http://www.starwars.com/news/swco-2017-10-things-we-learned-from-doug-chiangs-rogue-one-panel
Doug Chiang did a good job in this movie. I think K2SO’s design was over the top, and the temple extraction stuff was stupid looking, but that whole idea was stupid anyway. Just goes to show you that competent people can do good work in an otherwise bad movie.