Years ago on the topic "Future version eight hopes and suggestions." I wrote a post about using Easy Search and its relation with Project Explorer Sort Order.
If I set the PE sort order to "Given name, Surname, Birth date", (or other sort options) the ES looks for the Surname.
If I set the PE sort order to "Given name, Surname, Death date", the ES looks for the Given name as it should.
After a major upgrade and several updates, that strange behavior persists. Isn't this a bug or am I missing something?