Either way Twitter needs to stat thinking about new features. They need to start to look past the MVP of 140 Characters and build out new and exciting features.
I think this was something a lot of people had seen coming. Really at this point it was only Hardcore Textmate users left. Most people in our office use either Sublime Text 2, BBEdit, Emacs or Vim. Sublime has made the change from Textmate really easy.
It's good to see that they are sharing their hard work with the community but it's sad to see a legendary text editor basically die!