I could totally see asking someone that question if they said that they were intimately familiar with some distro or another. Outside of that context, it seems

I could totally see asking someone that question if they said that they were intimately familiar with some distro or another. Outside of that context, it seems like a really bad question. Maybe there was another purpose to the question (like seeing how you reacted to bad questions), or you just had a shitty interviewer.