Around 8:05 a.m., the Hawaii emergency employee initiated the internal test, according to a timeline released by the state. From a drop-down menu on a computer program, he saw two options: “Test missile alert” and “Missile alert.” He was supposed to choose the former; as much of the world now knows, he chose the latter, an initiation of a real-life missile alert.
Hawaii missile alert: How one employee ‘pushed the wrong button’

Oh. My. God.

If anyone needed proof that UX-writing and UX-design are important for the best of our society, this surely sets the mark.