I don't think I've ever seen Google go in the offensive like this, so this must be pretty serious.
https://www.reddit.com/r/google/comments/4emtua/nest_ceo_ton...
I do believe them: many media firms have the same set up between the journalism and advertising departments.
FWIW, David Drummond, longtime Chief Legal Officer took a board seat after GV's $250m investment in Uber in 2013 but eventually stepped down last August [0].
[0] https://www.nytimes.com/2017/02/23/technology/google-self-dr...