IE isn't inferior in my mind, it is inferior in fact. Anyone can cherry pick results to make a report say anything they want, especially with the testing is sponsored by the guy who you determine is the best. Ask any serious web programmer and you'll find it fairly consistent that IE does not
1 - comply with standards
3 - tries to set their own standards in order to make others comply with them.
Here's a related article which is a little less biased than the press release.
IE9 is considered more HTML5 compliant than Chrome or Firefox (last I heard). I know there is some dispute over these findings, but http://www.readwriteweb.com/archives/ie9_outperforms_other_browsers_for_html5_complianc.php but still you can’t deny IE9 isn’t taking HTML5 seriously.