But you have to go out of your way to do that, which means it will not be done by any meaningful number of people, which means that Amazon sees a benefit in it

But you have to go out of your way to do that, which means it will not be done by any meaningful number of people, which means that Amazon sees a benefit in it being as it is. Or else at least doesn't see enough benefit in fixing it. They may have the statistics to prove it, I still order from them and I have definitely gotten counterfeit goods but they've also consistently refunded my order when it gets messed up. Maybe they figure that the cost of fixing it is higher than the cost of replacing the item for the fraction of customers that notice.