If this happens in China, it would be immediately declared an obvious case of censorship and mass control.
But it happened in the very "house of the freedom", so it is obviously a simple error and anyone thinking it was on purpose is a lunatic conspiracist.
I read the comments of people that know nothing about (place the subject -antispamming algorithms-) but they are more than ready to defend (place the corporation or government -Yahoo-), and just an image comes to my mind.
Sheeps.
Blind sheeps.