Found the guy who's never heard of "shadow profiles."
https://en.wikipedia.org/wiki/Shadow_profile
I think they're probably worth quite a bit, or Meta wouldn't spend billions acquiring and maintaining the data.
And as we know, in the valley there are always more and more customers for data, personal and otherwise.
This has nothing to do with deleting accounts.
Found the guy who's never heard of "shadow profiles."
https://en.wikipedia.org/wiki/Shadow_profile