This is part of the problem with hiring in InfoSec. I was turned down years ago for a role as a junior because I didn't know enough about some very specific, foundational technology. I joined a consultancy and within a year I was speaking at those same conferences that I met that would-be employer.

In an hour you can go over only a finite amount of knowledge, I was asked about aspects of technology I knew very little about because I hadn't tried anything in that space (FWIW it was a segment of networking). To pass over candidates based on a minuet lack of detailed knowledge - to me is crazy.

It's like interviewing a builder and asking them if they know where the majority of local maple wood comes from. Who cares, and if you need to know - Google it! Great, now you know more than you ever needed about the local maple industry!

YMMV, sample size 1, etc