So far it looks like just their previously legit Fedora account got taken over & the other accounts (GitHub) then generated on demand as needed for whatever it was trying to achieve, right ?
BTW, any idea what are the current requirements for creating a new GitHub account ? That could provide some information about if there was actually a person controlling thing thing at that moment to say provide wahtever was necessary to get the new GitHub account.
Someone's bug tracker account was hacked.