I've been using hub heavily until last year (haven't used github much since), so I was a bit surprised to see this as news. Seems like it's basically the same thing as Hub with some updates b ut most of the flows (and a bunch more) I see were already available through hub.
And, not only adding features is doing something; improving reliability or just maintaining the site, monitoring is also work...
So dismissing pre-MS GitHub might not be really appropriate.
[0] https://hub.github.com/