I'm glad the author didn't turn this into a negative review of DO. "What will you do when your server is lost?" is exactly the right question to learn from a scenario like this.
Keep it professional.
Though their should be another avenue for such things.
And when in doubt, if you're refund system is not capable of discriminating between the two, it seems to me wiser to err on the side of a less jubilant message.
Forewarned is fore armed!