The example of Bambi was especially to showcase that emotion goes through art, realization, assets, the way they are put together, and the way especially the game mechanics make the player interact with those assets.

[...] Game development, in my opinion, should focus on making sure that the technology that is behind the game is actually seen as a tool, a means for developers to express their own meaning, their own message.

And that message is often very, very much emotional. At least, this is what we've seen in all the very good games.

Via Wired