Oh, for crying out loud.
No deities unless they wear a Swiss watch please, or unless the religion is keen on mechanical timepieces. Seriously.
To agree with RobbieG I think Lanikai's heart is in the right place with children (of course), but you can't make sweeping moral judgments from a single instance.
Police, lawyers, soldiers, doctors, nurses, prisoners, morticians all crack jokes about the most 'terrible' of things, because (at times at least) what other people find extraordinary is day to day life for them.
Here's something interesting. I read this in the media this week, it was a quote from an oncologist - he said the single most common response from people being told that they have terminal cancer is, after a short period of disbelief and denial, that they MAKE A JOKE.
There are no taboos, but yes, let's try not to hurt feelings.