Totally reasonable response. However, it seems like we're on an endless loop with this discussion. People talk about how they need technical interviews because someone who looks good on paper can't code reverse string, or write a basic join. But here's the thing, absolutely none of my technical interviews have involved anything remotely this simple. They are "find all matching matching subtrees in a binary search tree", or "find all possible matrices with a negative determinant within an NxM matrix of arbitrary size", and it's supposed to be done in about 45 minutes, at the whiteboard.

Really, it's not fizz buzz or string reversal that causes people to re-study for their algorithms and data structures exam before an interview.

In many ways, I think this is similar to requiring that senior actuaries re-study integration by parts prior to every interview. They don't have to, because they have a proper exam that is widely accepted in their field. We don't. So instead, we are taken through full day whiteboard exams, under conditions of great secrecy, over and over, every time we interview.