Ruling the world has always proved too difficult for the greatest dictators. Striving for absolute control of a planet full of humans is the ultimate hubris.
Population control tools are improving every day. Who's to say it won't one day be possible, or even easy to control the whole world? Who says they don't already mostly control it?
In the context of where I was last night, in a room full of people who disagreed on where to go next, for free beer and wine, ending up scattered across the city, Uncontrollable
Ah, but that's just what they want you to think! Actually, you seemed uncontrollable to yourselves, because THEY controlled you! Thought-control beams! Subliminal programming!