Following teachings of the Buddha came to mind:
1. Right speech.
A prank is a lie. Do you agree? It's not the truth!
You pretend something that is not true, and try to fool someone for amusement.
I am sure the Buddha would have heartily disagreed with this prank.
2. Intention: ...that's interesting.
Obviously, they did not intend this. So, in a way, they can't be blamed for Jacintha's suicide, but well for all that led to it.
The Buddha discouraged all sorts of entertainment issues...and that's their biz.
It can bring joy to the ill, if it's all done nicely, but, due to the worldwide press, Jacintha felt utterly shamed, humiliated and like she had lost her face forever, and this is really true.
Until the end of her life, she would have gotten confronted with it.
Then, nurses have a very hard job and need to feel a lot of devotion to hold out this hard work.
Lots of people in nursing jobs suffer from burn-out syndrome sooner or later.
Jacintha was 46, not so young anymore.
On some photos where she looked older, I saw dangerous signs of depletion of her "Chi", life energy, alarmingly so, ...google her and look at the darkness around her eyes, the dark brown shadows.
That's a sign of Chi or Agni depletion.
It's one possible explanation why she took his life, after a thing that many would have shrugged off, after a while of feeling stressed.
But when you have exploited your body for too long, small things can tip a boat over...expecvially when people are very conscientious.
PS: I agree with Ben (not only ) in this:
We have mass media reporters (here too), who take things too lightly.
They don't seem to know when fun was had or is going way too far.
And, the legal bureau is OF COURSE more guilty than these young, immature mods, whose trademark it might have be to entertain people with silly stuff!
The lawyers failed to foresee some stuff, which CAN be foreseen!
It was PREDICTABLE, that someone might get into mighty trouble, if fooled!