I think the real value lies in the fact that it led you to research the topic a bit more.
It tends to happen and I think that you picking up on that is a good indicator to why your wife is always surprised at how much useless information you store! :D
Haha good point. I think it just frustrates her the things I choose or randomly latch onto. I've never really been able to explain it myself. I think it has to do with the scattered way my brain works.