My only concern is when I see a person sitting next to me - that I do not know - unclip their belt when the light is on. They will often deliberately hide the fact with a laptop or magazine.
So it appears that they are doing so to please their ego at not doing what they are told. Unfortunately, they might hit me on their way down from the ceiling. Sometimes you can tell the person but sometimes, you cannot and I then carry a risk as well. Oh, yes, I can use the call bell but how much better is that going to be for the air rage.
Yet, they continue to unbuckle ...