jonathanleger - 12:29 am on Oct 1, 2012 (gmt 0)
I would like that to be true, and perhaps it's part of it, but it can't be the whole story. I seriously doubt that the domain name bonus was so strong that sites who lost it went from page one to oblivion.
Perhaps that PLUS the removal of the free pass EMDs were getting for overoptimization of anchor text would do it. It's still early though.