Option to disable touch input, AKA pen mode, so that we can't (accidentally) draw strokes/shapes/etc while interacting with the interface or zooming with multi touch. Just like Photoshop does.
why doesn't Illustrator behave like Photoshop in this manner? Photoshop and Illustrator should have parity with certain features like this.
another example, why doesn't Illustrator rotate in portrait mode?
does the Illustrator team ever use Photoshop?