What Will Future Generations Condemn Us for? Through the middle of the 19th century, the US and other nations in the Americas approved of plantation slavery. Looking back at such horrors, it is easy to ask: What were people thinking? Yet, the chances are that our own descendants will ask the same question, with the same incomprehension, about some of our practices today. Here are three contenders for future moral condemnation. Industrial meat production. Of the more than 90 million cattle in our country,at least 10 million at any time are packed into feedlots, saved from the inevitable diseases of overcrowding only by regular doses of antibiotics, surrounded by piles of their own excrement.