I believe that there are many reasons why some people are inspired research their family history and genealogy and that SOME PEOPLE do genealogy and family history writing as a form of worshiping their own ancestors, worshiping as in putting those who came before them on a pedestal.
You don't need to light a memorial candle or do any spiritual rituals or services to show the people who came before you respect. When I think of the thousands of hours - the patience, endurance, and love - as well as intelligence and learning that some people put into writing their family history and genealogy books, I suppose it's not that much different than say, having Masses said for the deceased or entering them into Temple Ordinances in the Latter Day Saints Church or trying to talk to them through a medium.
