'UX professional' isn't a real job?

Lots of fun was stirred up by this recent post, 'UX professional' isn't a real job.  Which I think was sparked by this tweet:

The post isn't much longer than the tweet. And it's popular. Which testifies mostly to two things:

Some people are very sensitive about job titles.
People in the UX/design/etc world might win the prize for most sensitive.

If ever you want a popular blog post – post about how "UX doesn't exist" or "interaction designers are kitten kicking liars" and you'll be well on...