It's a scam affiliate program that doesn't pay affiliates.
Also it has nothing to do with not reaching the minimum, they owe thousands to some.
In fact, the reason they set that high minimum was probably to make smaller affiliates believe that once they get to that magic number, they will be paid.
So affiliates keep sending them traffic until they reach $1000, but the program never actually pays them.
(With a $100 minimum, they would stop sending traffic after not receiving the first $200 or so.)
https://gfy.com/fucking-around-and-b...m-payment.html
https://gfy.com/fucking-around-and-b...am-600-1k.html