Bike porn

I doubt it will be, as you will be at the mercy of the inappropriate bike you suggest riding as opposed to tackling what lies ahead with the best possible tool for the job... Would you suggest car races where all the vehicles are restricted to 35MPH?

You're missing his point completely.
Did you never jump a hand me down shopper bike off a home made ramp as a child?
Have you never messed about on a downhill course on your xc bike?
I have, and I had fun.
Your statement above is spoken like a true 'adult'.

Having fun isn't always about using the best tool for the job...sometimes it's as simple as having a bit of a piss about on something that isn't.