Recruiter Interview Experience

A friend of mine recently interviewed for a talent acquisition position at an IT firm, and I was taken aback by the depth of the questions posed by the interviewer. They asked him to define various properties of OOP concepts, explain the SOLID principles, and even posed some challenging queries about Java, AWS, and GCP. The interviewer insisted that a recruiter should be familiar with these topics to effectively screen candidates during the initial phone interviews.

For those who have interviewed recruiters, do you think it’s reasonable to expect them to have such an in-depth understanding of IT concepts?