I mentioned this downthread, but Google unlike, say, Amazon doesn't let you rate things you haven't downloaded/purchased. If these really are protest votes, that would mean users are going through the effort of downloading the app, then uninstalling it, then leaving the crap rating.
So either there are some dedicated facebook haters out there, or the people who tried this app really hate it that much...
"How can you tell someone isn't on Facebook? Don't worry -- they'll tell you."
I read this a while back on a HN thread and it resonates more and more by the day -- there are a number of dedicated haters such that such things don't suprise me...it may need a bit rough on the edges but some take it a bit extreme
I rated the Facebook Android app 1 star because it came preinstalled as crapware on my cell phone and there was no way to remove it. I had never downloaded it.
So either there are some dedicated facebook haters out there, or the people who tried this app really hate it that much...