One country's decline is a benefit to another one. It might sound cold and selfish but the truth is that if one economy is declining, you can use this to your advantage. If one country has a failing economy and they can no longer produce high quality products and their trade is losing significance then another country can sweep in and give better offers. This is simply the reality and so economy should not have emotions in because it will not do you good. If you want to improve your financial state, you have to compete. This is true even with smaller scale marketplace. Not a country's but let's say in one city. If one seller fails to deliver good products, you can sell better ones and take their customers. There is no space in the economy for soft hearted because everything is a competition. You have to compete for resources. You have to compete for demand. You have to compete for customers.
Like what do you even mean by "economy should not have emotions"? Can you elaborate on what in what countries economies have emotions? I might have a clue what you are talking about, but i don't want to jump to conclusions
If you are referring to aid programs, those are merely good PR and it benefits everyone to stabilize different regions. It's just more or less closed and sanctioned countries that benefit from decline of their competition. In free trade countries, we mostly benefit if every country of the supply chain is doing well.