I've said it before and I'll repeat it again. I believe that Dennis is kind-of naive and goofy. If Tony would make a ball in Dennis' pocket during his run, Dennis would right away and go grab that one ball and put it on his side. He obviously is doing this to make sure that Tony doesn't mistakenly take is ball when Tony's run is over.
However, I really don't play much one-pocket, so I'm not sure about the established etiquette with this. But I assume that Dennis should stay away from the table and to just verbally remind Tony of the ball made in his pocket after Tony's inning has ended. I don't think Dennis was intentionally sharking, but Dennis quick grabbing his ball to me is just a naive thing, as rude as it appears. I really think that Dennis doesn't realize many of the accepted rules of etiquette.
Agree 100%. The opponent should stay away from the table when you are shooting, unless there is something controversial about to happen (like a close hit) and they need to observe. Other than that, they should be sitting in their chair.
I remind my opponents of that in a "hurry". "Sit your ass down until it is your shot!"
Dennis has played enough pool outside of the Philippines, and in tournament settings, that he should know the protocol by now. Most people don't like playing with all the commotion going on and people and chickens hovering over the table.