The silly scandal of Facebook running off to Hillary Clinton's old campaign manager, trying to launch a privacy investigation over Google Social Circle, actually has a serious point behind it.
Facebook can't beat Google. And they know it.
The issue that has reporters Twittering is privacy and even the fact we're all talking about that means that Facebook has succeeded in its campaign, because we're talking about something Facebook has long had to deal with, and in that it can be seen as existing on a level playing field with Google.
But in evaluating the two companies that's not the real issue. Raw traffic is not the real issue. Ads are not the real issue.
The real issue is infrastructure.