I might be way off, but from the outside, Valve do look like they're trying so hard to not look like a corporation that they're regularly failing at being one when it involves the positive sides of a corporate culture, like customer relationship, accountability or in this case corporate responsibility.
Yeah, that was my first thought when I saw this thread. From the outside looking in it seems plausible. When even consumer-facing elements of Valve, like their customer service, is lacking, it makes me wonder how they handle something like HR and workplace standards and practices. As such, I'm not surprised by the possibility of something like the alleged events in this case occurring at Valve.