What does “worst” mean in this context? Countries often want to keep their currency weak because it helps their exports: https://www.investopedia.com/trading/ch

What does “worst” mean in this context? Countries often want to keep their currency weak because it helps their exports: https://www.investopedia.com/trading/chinese-devaluation-yuan/ https://www.investopedia.com/trading/chinese-devaluation-yua...; https://www.investopedia.com/terms/d/devaluation.asp https://www.investopedia.com/terms/d/devaluation.asp