I totally agree with him, there is so much that can be done with better physics that it is insane, honestly I'm most excited for realistic water physics, progress is being made in that but it still has a ways to go.
As a side-note, when I read the title I immediately thought of this game: http://www.baremettle.com/
As a side-note, when I read the title I immediately thought of this game: http://www.baremettle.com/