I hadn't given it much thought before, but when I saw the title on hacker news I clicked on it in order to learn what the answer was, haha. I'm generally good a

I hadn't given it much thought before, but when I saw the title on hacker news I clicked on it in order to learn what the answer was, haha. I'm generally good at math / physics / engineering, but much worse at chem / bio / wherever-you-learn-about-oil (i guess geology?). All this to say that I bet there are many adults who "believe" it, but maybe they just haven't thought much about oil. I think your message was truly sincere surprise and I didn't find it rude, but it reminds me a bit of this article which I've found very useful in my personal life: https://jvns.ca/blog/2017/04/27/no-feigning-surprise/ https://jvns.ca/blog/2017/04/27/no-feigning-surprise/