Since it's mediawiki we can view the history of updates; Having less than 5 updates every year means this is probably only an afterthought when someone comes across an "are we ... yet" site. There's not someone at Mozilla whose only job is to track them down.
What suggests to you that those were "resources working on this" and not just people, inside or outside of Mozilla, doing that because they thought it was funny or interesting?
Since it's mediawiki we can view the history of updates; Having less than 5 updates every year means this is probably only an afterthought when someone comes across an "are we ... yet" site. There's not someone at Mozilla whose only job is to track them down.