> Here "misused" doesn't mean "will give the wrong answer most of the
> time."  Here "misused" means "should be avoided because
> A. There is a better way to do it.
> B. Occasionally in some contexts and with some inputs, it will give
> unexpected/undesirable results."

Exactly.

The same goes for !=



-- 
Andrew Welch
http://andrewjwelch.com