As a fan of applying machine learning analogies to everything, I would suggest these are better characterised as examples of overfitting (aka Goodhart's Law).
Better nations usually have better displays at the World Fair! Sure! But making a better display for the World Fair does not make your nation better, and chasing this goal singlemindedly can be to the detriment of what you actually wanted to achieve.
As a fan of applying machine learning analogies to everything, I would suggest these are better characterised as examples of overfitting (aka Goodhart's Law).
Better nations usually have better displays at the World Fair! Sure! But making a better display for the World Fair does not make your nation better, and chasing this goal singlemindedly can be to the detriment of what you actually wanted to achieve.