As Tangerine already said, it's context dependent. This was completely unacceptable for Darrell; a point which I think we all respect and understand. It's frustrating when people don't have any respect for our boundaries and our feelings.
That being said, others may not mind so much...I guess we're in that 'in between' time technologically, where social etiquette isn't perfectly clear. Some people don't like getting texts at all, some people cannot stand being called and say "um hello, just text me!!!".
I don't really know how I would feel. I have physically distant relatives in NC and if I got a text saying one passed away, I wouldn't mind...now I'd think we would need to talk further to plan for the funeral, so I'd be like...um is that all you have to say?