Most of our problems thus far have been the result of misuse of our resources one way or another. GitHub on the other hand probably dealt with these issues earl

Most of our problems thus far have been the result of misuse of our resources one way or another. GitHub on the other hand probably dealt with these issues earlier on (or are able to hide them somehow, perhaps by throwing a lot of physical hardware at the problem), thus they can now focus on dealing with problems caused by reaching the limits of their (old) systems.