I recently saw the 2021 PBS Frontline documentary "Boeing's Fatal Flaw": https://www.pbs.org/wgbh/frontline/film/boeings-fatal-flaw/
For many interviews they used negative look space on the 2nd camera. I was always taught this was wrong and to my eyes it looks abnormal. Is this some new accepted technique? Example frames Below. The DP was Jeremy Gould: https://m.imdb.com/name/nm1020495/filmotype/cinematographer?ref_=m_nmfm_4
Example frames: https://joema.smugmug.com/PBS-Boeing-Documentary-Interview-Composition/n-ZSD25f/