It is quite common that there is a certain link on a certain page that does not work. If you use a different link on a different page, you may still be able to get the feature to work, though.
eBay may have forgotten about the old page entirely and may just be assuming everyone is using the new replacement page that works right, even though many users have not updated their bookmarks or actually prefer the old page. In some instances, users prefer the old page even when it does not work right, and may go out of their way to actively avoid the new page.
