How much do you know about "the world"? That's a serious generalization. Lots of cities out there, lots of people.
Maybe it's the systems that prevent us from seeing their efforts.
Maybe it's the systems that prevent us from seeing their efforts.
You're welcome to throw your doubting shade. Generally though I appreciate it if you wanted up & say something, make some conjecture of your own, rather than just belittling those who do offer up what view & perspective they have.