It was an interview done speculatively, and I'm not aware of any active work in this space.
So I wouldn't exactly take his limited view as a yardstick by which to measure how much data they are collecting and for what purposes.
"You can't tell me what to fuckin' believe!"
Well I wish they would let that apply to other groups then.
6.023 x 10 to the 23rd power alligator pears = Avocado's number