“Everyone who does this work has depended on the records database
    that Ancestry controls,” said David Gurney, who runs Ramapo College’s
    Investigative Genetic Genealogy Center in New Jersey. 

    “Without it, casework is going to be a lot slower,
    and there will be some cases that can’t be resolved at all.”

No where in here is there even a hint of acquiring the consent of the people who's data this is. Nor does the word consent appear in the article.

People who don't even think about getting consent are poor choices to be in positions of power or accountability.