The information gathering is for the "broadcasting". I think that means that the want to make videos that have more impact with younger folks.
Why they're not asking questions about the older ones is quite telling. There was the 1914 generation that wouldn't pass away but did. Now there's the just about forgotten overlappers who they're not really interested in except for their wills. Then there's the clueless new blood, the ones coming into their productive years, and those are the ones they're wishing to grab before they fade away.
Bunch of filthy lucre loving, life-blood-sucking institutionalized vampires stealing and enslaving the young for their putrid organization's benefit!