That's put in a very misleading way. It's dropping all <i>special</i> support for Internet Explorer. That just means that there will be problems with many things before IE9.
"Richard pointed out that 55.7% of all webpages now use jQuery, and if you exclude from this group pages that don’t use JavaScript then it is used in an astonishing 90.7% of all webpages!"<p>Really? I find this hard to believe.