I can't imagine how hard it must be to manage a company as big and complex as YouTube.
To be fair, not at all. Someone in her position would be making broad decisions, such as “should we have a downvote button,” and spending her time courting advertisers and handling the whiny board of directors, who are mostly geriatric babies.
I mean if we are going to spend any money on anything, research and education is about as useful as it gets.