I know of an installer who took the cardboard out of a job, popped it in the van and drove back to home base... where he threw it all in a bin, poured on the lighter fluid and burnt it all.
If only he'd taken the speakers out of their boxes first, no one would have been upset. Alas...
This industry is not getting cheaper and cheaper, we're simply convincing ourselves that we have to push the cheapest option to customers. #makesonosgreatagain