The FAQ states,

> You should only ask practical, answerable questions based on actual
> problems that you face. Chatty, open-ended questions diminish the
> usefulness of our site and push other questions off the front page.
> 
> Your questions should be reasonably scoped. If you can imagine an
> entire book that answers your question, you’re asking too much.
> 
> If your motivation for asking the question is “I would like to
> participate in a discussion about ______”, then you should not be
> asking here. However, if your motivation is “I would like others to
> explain ______ to me”, then you are probably OK. (Discussions are of
> course welcome in our real time web chat.)

This question arose,

http://unix.stackexchange.com/questions/19284/how-could-i-benefit-for-home-virtualization-bare-metal-hypervisor

Selection quotes,

> Of course, right now I don't have an actual USE for this

and

> Basically, what are some uses (for the everyday linux/unix user) for turning old desktops into virtualized and networked machines?

Surely that's an open ended chatty question without a real problem at the core? I flagged the question as not-constructive, but that was deemed invalid.

In which case I'm confused. Are chatty open ended questions allowed, or is that question actually specific enough to be on-topic?