Per the article they don't.

> There’s a bit of light at the end of the tunnel, though - based on our experiments so far, it seems like once we establish these new wikis fairly well on Google, it should be safe to move them off weirdgloop.org back to whatever the appropriate name was, while keeping the existing Google juice that the subdomain picked up. I’m hoping that in 6 months or so we can just 301 redirect overwatch.weirdgloop.org to overwatch.wiki, use Google’s change of address tool, and put these wikis to where they should have been in the first place.