That's Nice
I agree safety check is nice, but these headlines about the first safety check in the U.S. seem to paint a sensationalist headline when none is warranted. I guess I'm not sure why Facebook doing anything related to a tragedy like this is "news".
Think about all the other things in the past that would have justified such a notice, had Facebook even existed at the time or had the system in place: 9/11, Hurricane Katrina/Rita/etc., The White Snake/Station Nightclub fire, etc...
Sh*t happens all the time, and it's nice that Facebook has this feature, but Facebook using this feature isn't news.