I've not posted anything in nearly 4 months; this is clearly a mistake, but such mistakes fool and motivate "useds" in the platform (thinking Twitter has more impact than it really has)
Summary: Just like in YouTube, where SPAMnil still engages in clickfraud (bots that fake the number of views), Twitter is clearly misleading everybody to give a false sense of importance
In short, it's not too clear what Microsoft has just done except dumping GitHub - i.e. mostly a Web site that loses a ton of money (it always lost money) - into some mysterious new bucket