Imagine you're a food industry executive. You want people to buy your product, and you want to make a profit. Therefore you are optimising for tastiness and che

Imagine you're a food industry executive. You want people to buy your product, and you want to make a profit. Therefore you are optimising for tastiness and chewapness. While you're not specifically optimising against nutritional quality, or ability to deliver calories without sating appetite, you're not optimising against them either. Becauee technology is good, and getting better fast, the things optimised for -- taste and cheapness will improve, even if it detracts from other qualities that're perhaps desirable but not optimised for. Therefore over time, food is likely to have a higher tendency to get people overweight. PG has written an essay on this: http://www.paulgraham.com/addiction.html http://www.paulgraham.com/addiction.html