His offhand remark about knowing people's interests showed a real lack of judgement as well (even if he was 100% not serious the reaction from the interviewer is telling):

https://www.reddit.com/r/videos/comments/4lmfmj/ceo_of_reddi...

Link to relevant video section: https://youtu.be/uSVqoW1rz6w?t=13m55s