This means someone making $50K would need to buy $1000 worth of Just Mayo or other qualifying unreimbursed expenses.
I think the larger picture is troubling, but I can also see a scenario where each of the pieces that builds up to that case has a plausible and benign explanation. I don't think there are enough details in this article to conclude one way or the other.
Buying your own products at retail can create demand for retailers to buy it at wholesale if it is on the edge of viability considering non-shill purchases only, because it can make the difference between the total sales at retail being enough for the store to stock the product at all (where, then, they will buy enough to cover both shill and non-shill purchases) and them not stocking it at all (in which case they'll be buying none of it.)