What are Fitgirl repacks? Looks like straight up piracy, but I'm guessing you could not advertise them on Github if they were.

That is spot on. It goes one step further, they are mostly piracy of piracy: https://www.reddit.com/r/OutOfTheLoop/comments/117g59t/what_...

Edit: I’m unaware of the ‘scene’ position on repacks, my general feeling was that it is ok. It is all about being first. Repacks are not first so are given less attention. But please enlight me.