I do not understand why people are so interested in genealogy searches save those who do it for religious purposes. My father in law has been obsessed with this for most of his life. He has spent a good amount of money for death certificates and the like. I find the reason for his hobby rather shallow, but there are many who seem to enjoy this venture. Some of my genealogy will be lost to time, others however, I know. I have some decent, general knowledge about family back to two sets of great grandparents and one sentence long piece of information about a great great grandfather. Some feel it important to be attached to some historical figure. While I find the information amusing, I am not inclined to do this type of research. Unknowingly, people are being concerned about ancestors who could be rather "shady." It probably wouldn't phase them one way or another.
I did have an amusing experience concerning "Genealogy." I was in the office of a new principal, and noticed on the wall a diploma in a last name that was different from hers. It was a different spelling, but the same last name as my mother' maiden name. She told me that it was her married name, and that she was told that they were horse thieves and came to America. I was rather shocked, because that was the story that my mother was told! I still giggle over it. They probably were!!