The Excluded Products list may change from time-to-time in accordance with the Operating Agreement. Additions to the list will usually be published in advance. We encourage you to review the list regularly which is available here:

https://affiliate-program.amazon.com/gp/associates/help/operating/exclusions

Unfortunately, we're unable to provide specific information about why certain products are added to the Excluded Products list, or if/when items will be added or removed.