On several other airlines, the briefing by the CC is much more intensive and personal. Pretty well all other airlines brief each row individually, and require all seated in that row to put down whatever they are reading and pay attention. One recently (I can't remember which) then concluded by asking each passenger individually if they had understood (the answer had to be "yes") and if they had any further questions ("no"). Without the answers, it was clear we would be going nowhere. Of course, just like all security questions, many people will simply say what they need to say without taking it in, but that sort of procedure would at least have stopped the SAGA crowd.

Separately, I understand that the SAGA age limit is now 50 and I would hope that nearly all 50 year olds, and indeed 60 year olds, would be capable of operating the emergency exits. Each year, the old seem to be getting younger.