Nicely put. I upvoted this story so I could see what you guys think in the comments. I read it and, and yeah, any combination of a) b) c).
One clue that poor communication might have been an issue, is that you and I are left here standing feeling like we are missing out on something in the story. That is not good storytelling, AKA it is poor communication.
Wu, more details! Maybe the "need to get a drink guy" was really ill and could barely stand up? For instance.