Why not.
Last time I heard, the Commandant of the Corps wants it, for rapid insertion/extraction.
Aw hell, I thought you meant the V-22 Osprey. That's a kinda marginal case, but I support it.
The JSF is an absolute necessity as far as I'm concerned: given the tech advances, the price is not relevant.
Is this plane pilot flown? If we're using the latest technology, it should be a plane without a pilot. Why..because machines guided from the ground or a ship can now outperform pilot flown planes. It has to happen someday. Sorry Air Force. The era of the machines is upon us.