My impression is that he revealed the most inflammatory documents first: the ones that implicated companies and services we use every day as complicit in a mass

My impression is that he revealed the most inflammatory documents first: the ones that implicated companies and services we use every day as complicit in a mass spying program. It made for great headlines that the average joe could digest. That might have created false implications, or at least an incomplete picture, but it also might lead to people paying attention to revelations that are actually in fact more damaging.