Set him to reading post about healthcare nightmares. There a plenty of writers who cover the topic all over the Internet. It really takes very little imagination to envision the tragic outcomes. The elderly, in particular, suffer if they're in a hospital/EMS desert or other services desert.

And, it's always the countryside that's the last area to have power restored in an outage event.

If an elderly person is on oxygen or nebulizers, what do they do in such an event?

What do they do in the middle of a record-breaking heatwave when the AC breaks down?