"appear to really know their stuff when it comes to aeronautics" Are they? How do you know that? https://en.m.wikipedia.org/wiki/Gell-Mann_amnesia_effect http

"appear to really know their stuff when it comes to aeronautics" Are they? How do you know that? https://en.m.wikipedia.org/wiki/Gell-Mann_amnesia_effect https://en.m.wikipedia.org/wiki/Gell-Mann_amnesia_effect