Not necessarily. Some people choose to give the nickname "AncĂȘtre" to their most remote ancestors, just like some create profiles for "Unknown Spouse of X" or "Unknown father of Y".
There is another "family" like Ancetre, it is "Collineau de Montaguerre".
However, it does not matter if the computer or the human is responsible, we're still left with these profiles and must find something to do about them...