Does anyone else think it's odd that Microsoft's 404 page now redirects to Bing, using the path members as search terms? And if they were going to do that, why

Does anyone else think it's odd that Microsoft's 404 page now redirects to Bing, using the path members as search terms? And if they were going to do that, why didn't they filter obvious stop words like "mspx" http://www.microsoft.com/france/businessproductivity/default.mspx http://www.microsoft.com/france/businessproductivity/default... This discussion may be Reddit-worthy... more Hacker-Newsish topics: is this an appropriate way to handle 404s and is this an appropriate way to handle internationalization.