[SEJeff]

And the TL;DNR being: developers can't be expected to do a good job. Some of them in fact will do a terrible job.

This can be said for every industry involving people.

[hueving]

Which is why any sane industry has lots of safety involved. We don't just shrug every time someone gets electrocuted to death and say "they forgot part c page 4 of the operations manual which indicates that the off switch doesn't work on tuesdays".

[afarrell]

And the way we handle that is by designing systems to compensate for the fallibility of humans so that the human-computer system is more robust as a whole.

[guyzmo]

The sad truth is: s/Some/Most/