That may be about the documents settings in addition to the albums shared by the groups members. (Like the christmas, birthday etc, albums) our albums set are for all to add to, and only delete thier own things, but the personal albums are for the person and the managers only to have access to adding and deleting.
Most put the settings so it is that way when they make the albums, but I guess i'll have to go back and recheck now, we have new members again since i looked.
Q