No, but the article highlights that maybe they are using Github's traction to get a better syntax highlighter for Atom. As in, instead of waiting for a large community of Atom users contribute Atom syntax highlighting, they simply push the same engine onto Github and let that community take care of the syntax highlighting they actually care bout.

If this were the case, it would be slightly evil, but very clever business-wise. But we don't know, so all this is is a small conspiracy theory.