Why make it a worm that spread all over the world if they had access to the water pumps directly, doesn't make any sense. Now that it's so long ago, I guess a l

Why make it a worm that spread all over the world if they had access to the water pumps directly, doesn't make any sense. Now that it's so long ago, I guess a lot of people want their name on Stuxnet because of how sophisticated the attack was.