If that's true wouldn't it make sense for Dropbox to form some sort of a a whitelabel partnership with Amazon? Building cross platform reliable software to sync

If that's true wouldn't it make sense for Dropbox to form some sort of a a whitelabel partnership with Amazon? Building cross platform reliable software to sync and method of storing data (ie. avoiding duplicates et al) is still an important piece in creating a smooth user experience while minimizing cost on the storage side.