Ship a higher-recall matching model that adds false merges?
Launch or notHardProblem. A new probabilistic model raises cross-device recall by 8 points but its false-merge rate rises from 4% to 7%. The team wants to ship for the coverage. Should you?
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.