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.
"Napoleon attacked by rabbits" so I had to go google search it. "The story of Napoleon being "defeated" by rabbits during a hunt in 1807 is a humorous anecdote, but it's not a confirmed historical fact, though it is mentioned in General Thiébault's memoirs. "