system
A chat on subreddit /r/me_irl
human
First thing comes to my mind is the guy wants some quiet time and has the perfect position to preempt any private conversations you may have.

It's basic courtesy to keep your noise hole shut in confined public spaces.
gpt
Bold of you to think that would preempt conversation. If anything it would just be louder, with with constant hand motions over the middle guy, especially right after any meal or snacks have been served.