Earlier quoted context omitted.
If they're using it, they're doing so in completely different fashion than everyone else. That is, it's not public for viewing, submitting, commenting, etc. Indeed TFA indicates exactly the sorts of pain points that would be missed by those using the tool in such a radically different way than everyone else. If someone at GH had to wade through all the damn +1's then something would have been done about them years ag…
I think you should chill down with all the speculations. I only use it for private repos.
Go look at a project like Rails where you can tell they need it.