FWIW! This seems a little over-hyped and that's suspicious, but it's not reddit. https://joeyh.name/blog/entry/removing_everything_from_github/
Some projects have taken to extreme(IMHO) measures, removing content. https://github.com/GNUnet/ If true there may be some repercussions to the Debian Project. The current TOS state clearly that one must own or have permission of any content, but it's not clear if a copyleft provides such permission. It's still possible to find gnunet on github. https://github.com/tg-x/gnunet