hello there,
I spent a lot of time figuring this one out, to come to the same conclusion (only now I saw this post

)
The plugin should not add the published criteria to the search, if it's called, then return what's asked, no questions about, that should be performed by the calling method...
This principle is applied to every other functions then getObjectTitle, it makes no sense to prevent only the title from displaying..
I believe the published criteria should be removed from the official release of this plugin.
regards,
luis raposo