CEOs of giant corporations are sometimes actually sociopaths, so they don’t care if they kill people. And they get financially rewarded only for short term profit, the company’s long term future doesn’t effect them at all, so they don’t care if reducing maintenance causes problems for the company 10 years later

Good eye. If you freeze frame at around 0:01 we can see that the wing nearest to the camera has an engine under it like normal, but the farther back wing is just a flat surface underneath