Kit, if you were my 1st cousin, and we had both had the test, Ancestry would suggest that we were 1st cousins, even if neither of us had online trees.
Ancestry wants us to put up online trees, and link them to ourselves. Most people don't, and even when they do, they make mistakes, or copy other's mistakes. So a huge, linked tree may actually be of little use.
The numbers of people who have taken the test mean that you CAN work out relationships for many people who don't have online trees (though obviously not all). Quite scary, really!
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The chestnuts cast their flambeaux
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