Because people already bought the things and it would be profoundly shitty to buy them again? Lock-in is real.
And let's be real: what you've written should be written as "privacy in perpetuity or maybe part of your money back years later after a class-action lawsuit, maybe, if it isn't just store credit." That, as much as anything, is why consumers caring is attenuated.
It's a luxury speaker, so not the end of the world. The consumer could sell on eBay, or if it makes sense a competitor could offer incentives like taking trade ins for a discount, etc.
And let's be real: what you've written should be written as "privacy in perpetuity or maybe part of your money back years later after a class-action lawsuit, maybe, if it isn't just store credit." That, as much as anything, is why consumers caring is attenuated.