Maybe they're celebrating how successful they've become. The dot eventually turns the glider into a boat, as if to cheer "I'm on a boat" http://en.wikipedia.or

Maybe they're celebrating how successful they've become. The dot eventually turns the glider into a boat, as if to cheer "I'm on a boat" http://en.wikipedia.org/wiki/File:Game_of_life_boat.svg http://en.wikipedia.org/wiki/File:Game_of_life_boat.svg