From 2019...
https://www.latimes.com/sports/clippers/story/2019-10-08/clippers-doc-rivers-agrees-with-nba-supporting-daryl-morey-freedom-of-expression
From 2015...
https://www.gmanetwork.com/news/story/539939/sports/basketball/clippers-coach-doc-rivers-not-in-favor-of-trip-to-china/
Something happened since then...