The person does not seem to draw to anything actionable, and his conclusion is vague. I am not sure what he even means by 'optimizing for efficiency' If your business depends on the happiness of your employees then optimizing for their happiness increases your bottom line. If your business will be shut down if you commit fraud then optimizing for transparency is in your interest. Is this person blaming economists for…
For economists, efficiency is simply that goods should be created where the surroundings are best suited for it - first described by David Ricardo in the 19th century. E.g. Cotton should be planted where there is the most fertile soil etc. This works best in a globalized economy where production can move around freely and where there are no trade restrictions. As a result, productivity is higher, meaning that goods a…
Nitpick: this statement is about absolute advantage, whereas Ricardo emphasised comparative advantage: https://en.wikipedia.org/wiki/Comparative_advantage#Ricardo....
Imagine that you're better than me at everything (both programming and needlework). You can program three times as fast, and sew twice as fast as I can. Does that mean you should do all your own programming and sewing? No.
However small my contribution, I can save you some time by doing some sewing for you. In that saved time, you can do more programming than I could have achieved in the time I spent sewing. So in sum we're better off. So, there are potential gains from trade.