I don't think Van's style is to drop subtle hints. I've heard him say things like "How high is the sky?" or "How long is a piece of rope?" when asked open ended questions like that.
I wouldn't read anything into it, other than perhaps a gentle poke at the interviewer for asking a question like that.
Brad Benson, Maplewood MN.
RV-6A N164BL, Flying since Nov 2012!
If you're not making mistakes, you're probably not making anything