"Coffee houses gave men somewhere to congregate other than in homes, mosques or markets, providing a place for them to socialise, exchange information, entertain – and be educated. Literate members of society read aloud the news of the day; janissaries, members of an elite cadre of Ottoman troops, planned acts of protest against the Sultan"

This feels like blaming coffee for people socializing (in todays world this would mean social networking websites, where people hang out). Its sort of saying (in hypothetical world) Twitter lead to downfall of China. Which I think is debatable.