This tweet by Michael Koziarski sums it up pretty nicely:
So many angry, condescending and entitled nerds, must be the release day for a new text editor!
— Michael Koziarski (@nzkoz) February 27, 2014
I’m personally very optimistic of the editor. Not only do I see it improving but also pushing the other editors forward. Competition is good and I would think by having GitHub backing Atom will eventually include lots more Git and GitHub features.