But seriously, the explosion risk from hydrogen fuel cells, gas engines, or lithium batteries is about the same across the board when you discount human factors
If I were to build something from the ground up and wanted to forge my own way instead of, say, a kit helicopter, I'd likely do a gas engine tri-copter. Something with enough shaft horsepower to spin some larger and more efficient blades.
Actually, the only thing that wasn't stolen at the Louvre's Apollo Gallery is the Regent Diamond, figure no one would take it because something to do with a curse.