It's barely been twelve hours - too soon for the results of any real investigation to have influenced the editorials coming out. What we're hearing is the posit

It's barely been twelve hours - too soon for the results of any real investigation to have influenced the editorials coming out. What we're hearing is the positions that were prepared prior to the attacks themselves. It's possible that the perpetrators evaded surveillance with encryption. It's also possible that the perpetrators did have their phones tapped, but investigators dropped the ball. It's possible that they avoided phones and did all their planning in person. It's even possible that someone made an executive decision to not intervene and stop them, for political reasons. As far as I know, none of Snowden's criticisms have been addressed at French organizations. While there's some possibility US intelligence agencies could have picked up on this, it's primarily a European matter and not the NSA's responsibility. This makes Snowden's having undermined the NSA quite unlikely to have been relevant.