[slavboj]

A ton of the industrial revolution was actually motivated by that input-driven thinking. You don't decide you want an Eiffel Tower from first principles, you consider "what is the coolest thing I can make out of wrought iron".

[GeneralMayhem]

But the Eiffel Tower is an art project, not something of actual utility...

[ebcode]

It was actually scheduled to be demolished, but then they added an antenna: https://www.toureiffel.paris/en/news/130-years/why-was-eiffe...

Also: https://www.reuters.com/world/europe/eiffel-tower-grows-six-...

Utility may have been an afterthought, but it's still there.