Apple still does not provide him the parts required to do the board repair that he's known for, even if he did sign up for their authorized repair nonsense.
Apple's repair providers don't perform board repair, you're promoting a false equivalency. It's like telling someone with a flat tire to take their car back to the dealership.
For the record, Rossman cannot get the specific parts that he wants, you're saying that he could pay $600 for a first-party logic board replacement when the only thing wrong is a blown capacitor that costs a nickle.