Summary: Sometimes it feels like Microsoft bought Git -- not GitHub -- like it entered the very competition of Windows by 'buying' the Linux Foundation (Torvalds parented both Git and Linux, as well as three daughters)
Many sites will go offline and many social control networks will shut down once they realise or even openly admit they spend money and time gardening a bunch of bots and slop
it would rightly seem like the era of centralised "social" sites (they're not social, they're about controlling the users) is ending, not overnight but gradually