I agree. Google will often ask the "number of marbles in a jar" question to see if you can think in scales using abstract statistics in their interviews. Now if you suck at math but are just fine in logic and code writing, should this limit you? When I interview people, I'm being attentive to show the interviewee respect but to also catch misrepresentations.

Most people don't code without having reference material available because unless it's just rehashing old code all the time for the same project, you're likely adding or optimizing something about your project. Same with every other part of the infrastructure and service matrix.

Fyi brain teaser questions have been banned at Google for many years.

And at Microsoft.

I once had a candidate who Googled answers for an interview. At first, his pauses were almost believable. I slowly progressed to more conceptual questions and he didnt realise he was spending too much time before reading out stuff verbatim.

I think the assumption here is a non-technical interviewer filling low value roles.