No it doesn't. However, a large sample of actual research provides a heck of a lot more insight then someone a couple people saying that all is fine for their sites. The fact that many, many people are noticing this along with the fact that a few actually TRACK keywords, not just a handful of sites and have observed the same thing means a lot to some folks here. If it doesn't affect you that's cool. It also doesn't mean much to the webmasters that are experiencing the "quarantine".
Also, I doubt many aren't publishing sites due to this :)