The problem is he/she might be right in a vacuum. Denormalizing the data might be "100x faster!", but they're naive to every other technical non-technical burde

The problem is he/she might be right in a vacuum. Denormalizing the data might be "100x faster!", but they're naive to every other technical non-technical burden that comes along with that decision. Part of our interview process is selecting for people who can come up with the most efficient answer, but efficiency is a squishy thing when you're a member of a team.