Genealogy again

Seriously :

There is no king who has not had a slave among his ancestors, and no slave who has not had a king among his (Helen Keller, 1880 - 1968).

And then :

** Isn't genealogy fun ? The answer to one problem leads to two more !
** Only a genealogist regards a step backwards as progress.

Is that why may contrarians are genealogists and many genealogists are contrarian ?