Should you ship the home-feed ranking change?
Launch or notHardProblem. A home-feed ranking change lifts engagement in the A/B, but you notice the lift concentrates in more divisive/controversial content, and moderator reports ticked up. Should you ship it?
Before you reveal: say your answer out loud, as if you were in the real interview — get your reasoning across clearly first. There is no single correct answer: reading what the interviewer is really after and defending your own thinking is what makes an answer strong.