We humans don’t mind working. We’ll work to make good money. We’ll enthusiastically work to attract a lover. We’ll work conscientiously at raising good kids. We’ll work joyfully at a hobby. We’ll even work (as I did) for a sense of satisfaction and to make a memory.
… But ninety-nine-point-ninety-nine times out of a hundred, we will not work to read an unsolicited ad.