but they don't charge in a way that maximizes short-term profits. they charge in a way that maximizes long-term viability. They only charge for listings /if/

but they don't charge in a way that maximizes short-term profits. they charge in a way that maximizes long-term viability. They only charge for listings /if/ the poster makes money off the listing /and/ the section is so full that thinning it a bit might be beneficial to the readers.