Would Hel survive if the Snarl destroys the world?

[Peelee]

Even though it wasn't and the Giant was, for all that he's a pretty good wordsmith, badly abusing an already abused term

Language evolves. IMO he was correctly using a term that can have more than one connotation that its original literal meaning.

Or, to put another way: have you similarly taken issue with people using the word "decimate" to mean anything other than destruction of 10% of a force?