There's proof this actually happened, right?
I would doubt that a company would publicly post this due to liability otherwise
https://reason.com/2018/10/17/seneca-valley-mean-girls-false...
Further, if you read the article there is a literal whole company with a business relationship that was cancelled with blizzard over this. I think you really really really should do some soul searching on what makes you have a knee-jerk reaction that they're making it up.
But also, news organizations are cognizant that their credibility takes a hit if they just publish every single accusation regardless of attribution.