The liars tend to win, because they make the superior claims. And for whatever reason, the customers can't give up on the idea that maybe this ONE outrageous promise, this ONE time, is actually for real.
It's like playing the lottery: Statistically you're better off running outside and screaming "THROW MONEY AT ME". But people still play.
The same applies for when you have to demo something to your boss that you just tested 50 times, and of course it crashes on the first try when you demo it!
Seems a little too clumsy for Google. I WILL say, though, that their PR handling of late makes them more vulnerable to this kind of BS. "Don't be evil" only works if you aren't, well, EVIL.
