For those who don't know, it's possible to skip the intro:
[url=http://pcgamingwiki.com/wiki/Metro:_Last_Light#Skip_intro_videos]http://pcgamingwiki.com/wiki/Metro:_Last_Light#Skip_intro_videos[/url]

Good hint, but to be more precise: I have an ATI card and deleting/renaming resulted in an error popup at launch. So I did the empty text file rename thing.