Another possibility
is they are compiling an electronic version of a "sucker list". They tipped their hand with the part that there may be fees involved.
Scamming the previously scammed is a very lucrative activity. You are pitching to a universe that you already know lacks DD skills and allows their greed to overtake any natural skepticism.
#1). You have money. Other people want it. All of it!
#2). You want easy money. So does everybody else. They'll get it, too....yours! (and all of it!)
#3). You tell yourself you're smart. You won't lose your money. Fact: Other people are smarter,