...but do not be misled into thinking that everyone will be saved by the button.
In the case of Larry Conn, GPS tracking of any kind mostly likely would've saved a lot of searching effort by others, if not himself. To your point Bee, there's now a pre-hike form in his name to encourage better planning.
It might seem low-tech, but there's a lot of technology that goes into making and printing a modern shaded contour trail map. Is that too much tech for wilderness purists? Should we rely on moss and shadows entirely? Is an altimeter okay? I don't see the point in trying to escape useful technology. How it's used is what really matters, IMHO. Satellite tracking is not the same as playing a video game on your phone while hiking over a breathtaking pass.