Earlier quoted context omitted.
Or it selects for easy going people with patience, grit or humility, which seem like positive traits. It is true that companies tend to only hire the suckers that complete their full interview process. My current company ambushed me with a full interview panel, Gilligan's Island style, when a former coworker invited me to come in for a 3 hour tour. I took it in stride and had fun, and it gave me some additional lever…
What's with the skillet?
Going through TSA with a cast iron skillet in your carry-on is actually pretty fun because it's impossible for the screener not to giggle. I've also gone through airport security with a 20lb printed circuit board with about 90% copper fill, which surprisingly got less scrutiny.
Having something fun to make your interview memorable seems to go over well. I got selected for an internship because I showed up to the "interview" in a Hawaiian shirt. Apparently every other candidate showed up in a suit. We were meeting at a coffee shop on a college campus, so I just dressed for the environment.