Humorously, this did happen. From the medium post by kik[0]:
I found out about this problem like a lot of you, when our builds started failing because we use the extremely helpful JSCS. Through a long chain of dependencies, JSCS relied on left-pad@0.0.3, which was removed by the author yesterday. Our team was confused at the time as well.
[0]: https://medium.com/@mproberts/a-discussion-about-the-breakin...