I got an offer for a refund + keep the device on a $7 electronic part that I posted a 3 star review on from a fulfillment-by-amazon seller. I guess handling th

I got an offer for a refund + keep the device on a $7 electronic part that I posted a 3 star review on from a fulfillment-by-amazon seller. I guess handling the return would cost more than the value of the item, and presumably they really don't want a 3 star review. (I did not accept the offer, that would feel a bit dishonest)