reseller - 7:40 am on Apr 7, 2012 (gmt 0)
I wouldn't be surprised to read something like the following in a near future Google Search Quality Highlights report:
Tweaks to handling of domain name. [launch codename "Emmy"] This month we turned off a classifier related to domain name. Our experimental data suggested that other methods of domain quality processing had greater success, so turning off this component made our scoring cleaner and more robust.