For a laugh, I've made a userscript[1] that highlights (lowlights really) HN headlines that conform to this law.

The result looks like this: http://testing321.netau.net/betteridge-sample.png

Improvements welcome, especially if instructive. :)

[1] https://gist.github.com/2908570/

[Chrome: drag 'raw' link to omnibox to install]

[Based on http://news.ycombinator.com/item?id=3934937]