Once again this morning, The Sun published an article about someone who suffered nonlife-threatening injuries.* Life-threatening is bad enough, but something severe enough to threaten nonlife — zombies, please take care — must be extraordinary.
Applying the Associated Press Stylebook’s rule — that the prefix non is not hyphenated, except when it is** — requires a little thought, a little attention, a little judgment. Supplies of those qualities appear to be running short.
*Yes, I wrote about the same construction in July. They don’t listen.
**Thank you, AP.