He says, "I’ve created a public example that you can view, copy and then edit." [1] and the names there match his screenshot. They also include ringers like "Jenny Craig" and "Billy Jean". How/why are you "quite sure these are real names"? If you're right, I agree with you, but it seems hard to believe.

[1] https://trello.com/board/hiring-process/4fc4942316b650d22d09...