Inform Patrons of the Shared nature of Family Tree
Many of our contributors to Family Tree do not understand that we have a collaborative shared tree. They think they have their "own" tree and are upset when someone adds or changes something on "their" Tree.
Perhaps we could have an Information box which comes up when a patron begins adding to the Shared Tree (aka starting their Tree). The information box could explain that Family Tree is a collaborative tree, that all deceased individuals can be seen by everyone and that collaboration is welcome.