Everything you say makes perfect sense. The question in my mind, lawyers, gypsies, tramps and thieves aside is, could someone in this business do SOMETHING to help prepare for an incident that might help save a life? If I owned the business, I would hope that I would help to prepare in some way.
In the hands of the right lawyer, any preparation no matter how good, could probably be challenged and proven inadequate.

Is it better to be sued for selling cold coffee than it is to be sued for selling boiling coffee with no instructions or training?

"Common sense goes out the window when lawyers enter a room, or it is taken to such an extreme that it is no longer common."