What can I do with the bar that I can't do with keyboard commands and my multi-touch touchpad? Vim seems especially rough, with no physical escape key. Guess I'll map that to caps lock?
What's more, common actions usually have high-priority, simple chords (cmd-c/cmd-v, for example) --- whereas complex chords are used for infrequent commands (cmd-alt-shift-c to re-assign the origin in blender, for example). If we're going to surface commands in the touch bar, intuition says to surface the common commands, and leave infrequent ones tucked away, meaning that even with the touch bar you don't have quick or simple access to those commands.