Attitude is good, but it seems misdirected. For example, are you really sure that the 10,000 frequency list is going to be all that different day to day?
While I like to hire people smarter than I am, I rather like to draw that conclusion myself, rather than have somebody try to wrestle me to the ground to prove it.
The attitude was actually quite bad considering this was an interview and not a lazy chat between two colleagues. This guy plainly failed to demonstrate that he can understand the context of the question, which was not an offer to ramble about the question not making much practical sense.
While I like to hire people smarter than I am, I rather like to draw that conclusion myself, rather than have somebody try to wrestle me to the ground to prove it.