She probably would, at the next booth. And the next, and the next[1]. At what point are you going to stop blaming her for other people's idiocy?

btw, it's "Cui bono" - the literal translation being "who benefits"?

[1] - Actually, it did, if you read the article:

  It happened during one of my first appointments of the
  show, a half hour I’d booked to check out the sequel to a 
  well-known military shooter franchise.

..later..

  It continued to happen through the next few days of E3. 
  Upon checking into a booth, I would often be asked by the
  PR rep whether I wanted someone to play my “hands-on” demo
  for me. During booth tours, I would more often than not be
  guided towards the Facebook games.