From Stambaugh's own words, as already pointed
I'm quite sure DigiKey is a commercial company, being a customer.
I think there's a good interest (on their side) in seeing KiCAD released for their updated integration of BOM/order management.
You know, the old contract for which "I pay, you do" translated to the idyllic open source world as in "I donate (and I strongly hope you'll do)". I beg your pardon for my cynical pragmatism, really