Git wasn't really their codebase though, although, true, they do employ core people now (IIRC/AFAIK).
Pessimistically, given that Atom is not initially/wonderfully open source, if Git had been Github's codebase from day 1, it is likely they would have had the same "crap, we must charge for this somehow" thoughts they are having now, and Git as we know it would not have happened.
Git wasn't really their codebase though, although, true, they do employ core people now (IIRC/AFAIK).
Pessimistically, given that Atom is not initially/wonderfully open source, if Git had been Github's codebase from day 1, it is likely they would have had the same "crap, we must charge for this somehow" thoughts they are having now, and Git as we know it would not have happened.