Why?
some people just like to watch the world burn. They aren’t motivated by love, friendship or even money and they can’t be reasoned with. They just do things on a whim. What this person did falls under this category. Why else would anybody do something like that? They want to see the city go crazy.
This clown emoji brings to mind the Joker, which is maybe why this Batman quote came to mind when reading this evil tweet. Essentially, this is a pretty harmless prank, but it’s definitely evil. People have way too much time on their hands. Haven’t they heard of Netflix?