Kill Joy. His parents aren't here, he fell into some cyanide... it's a laughing matter. For centuries humans have taken pleasure in seeing strangers suffer - You've Been Framed (a UK TV show with clips of people falling off scooters, or tripping up into swimming pools) is a good example of this.
Don't try and make me care about some random idiot with insufficient leg-eye co-ordination. If I knew him I might worry. I don't know him, so I don't care. There are plenty more humans (too many) to take his place in the food-chain.