Guess the thrown blade was the one making first contact with the sand dune. Did Ingenuity just not detect the dune ripple because it was expecting a more flat surface? Good data for the next generations of copters that will definitely occur due to its 72 flight success valdating the concept.
Languages change over time. As long as the intent is clear, don’t get hung up on what is and isn’t “correct”. “You’re welcome” probably was seen as extreme at some point itself.