They were benefiting shareholders and consumers of that age at the detriment of society. Slavery also invigorates the markets with cheap produce for consumers

They were benefiting shareholders and consumers of that age at the detriment of society. Slavery also invigorates the markets with cheap produce for consumers and high profits for shareholders. Shall we legalize that as well? Nothing is easy in reality and you can find positive effects to the markets in almost anything if you just look at localized effects