Nobody stays focused all the time.
Even if you're running full tilt at what you want, it only takes one person to suddenly yell your name before you end up face-to-face with a pole.
And that's just when you're actually alert. It takes some Herculean effort for you to not put your toast in the dishwasher after a bad night's sleep.
So, we can understand what happened to these folks, but we'll still laugh at them.