> You should remember that stoicism was concieved amongst the elite of their time and place, who worried least.
If you read Seneca, Epictetus and Marcus Aurelius, three of the main authors of the Stoa, that is probably the last conclusion you would come to. Seneca was accused of conspiracy and forced to suicide by Nero. Epictetus was a slave who was "so poor that he didn't have to lock up his house". Marcus Aurelius spent the last years of his life (when he wrote the "Meditations") on the battlefield. They were meant as self-reassurance in a very troubled time.
>Modern population density also makes comparisons of the contemporary 3rd world with ancient Greece rather far-fetched.
Rome, btw. Which was already relatively densely populated.