but given a choice between a
distant system that freezes up entirely...

Different application. Here we have a live pilot who can make a
decision and push the button, but the computer decides to push it for
him. There, it's completely on its own, and a last resort is
worthwhile. One just make sure the last resort doesn't get too
impatient.

Jose
--
"Never trust anything that can think for itself, if you can't see where
it keeps its brain." (chapter 10 of book 3 - Harry Potter).
for Email, make the obvious change in the address.