> Their financial incentive is negative. They were hoping to force...
Maybe?
People stuck with Bose bricks might show a preference for non-Bose replacements.
People who thought Bose speakers would stay useful longer might prefer Bose, or be willing to pay for a more expensive Bose speaker model.
(Yes, I agree that some PHB's at Bose were almost certainly imagining that their customers would be forced to re-purchase Bose speakers. I'm questioning the validity of their initial assumptions.)