SnowMan68 - 12:31 pm on Apr 18, 2012 (gmt 0)
Everything is assumed these days. Not to mention there was a lot more than just Emme's post, with many of those people saying ALL of their sites on the shared hosting they use were completely de-indexed. Being 100% removed from the index is different than dropping to page 7, 8 or 9. On the other side of the coin, there were people that dropped to pages 7 and beyond as well. Maybe that was what happened to your sites? My guess is that there were two separate tweaks going on yesterday, so maybe you shouldn't be so quick to discount it? With 40-50 updates going on a month it could be easy to have multiple updates affecting different sites.
I don't know about you, but considering Google sees the majority of websites as a cesspool I am cautious. I do not believe everything they say.