Yahoo heating up the browser wars

internet explorer 7 with yahoo ezguy from DigitalPoint Forums posted the above link today. It looks like Yahoo is now promoting the Internet Explorer 7 Browser and it comes fully optimized with the Yahoo Toolbar, Homepage and other goodies. I'm sure this is in response to Google integrating their search and toolbar into Firefox. Google is also heavily promoting Firefox; they are paying affiliates up to $1.00 everytime someone new downloads and installs the Firefox browser with the Google Toolbar.

The real headscratcher for me is – Why is Microsoft allowing this to happen? Don't they want to promote their own search engine: