One of the most salient features of our Tech Hiring culture is that there is so much bullshit. Everyone knows this. Each of us contributes his share. But we tend to take the situation for granted.
I also find it pointless. What I do in this case is that instead of showing my frustration, I ask calmly the question :
"I see. (Silence) Can we take a step back ? (Silence) (Yes, go on). What is your goal with this question ? What are you trying to achieve ?"
Then either a good answer comes or not. If they thought about it, I'm fine. If they didn't, they will remember it for next time and maybe do it differently :)
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I also find it pointless. What I do in this case is that instead of showing my frustration, I ask calmly the question :
"I see. (Silence) Can we take a step back ? (Silence) (Yes, go on). What is your goal with this question ? What are you trying to achieve ?"
Then either a good answer comes or not. If they thought about it, I'm fine. If they didn't, they will remember it for next time and maybe do it differently :)