loldot

yes, and most people and businesses are "reinventing a wheel" - not sending people to the moon. Some ways of improving on current solutions to a problem is i.e. making it simpler or cheaper, and as mentioned, a complex problem can also have a simple solution.

There's a lot of people that like complexity because it makes them feel like they are doing rocket science, but in fact they are replacing a spreadsheet. Most problems on earth do not have the same complexities as those in space. Sometimes the space solution is really nice and simple though, like velcro or using a pencil instead of a fancy pen.

Aldo worth mentioning; the sliding doors technique for rounded corners; https://alistapart.com/article/slidingdoors/

The tunnel in Bergen is also closed at night.

Yes, but the ones who get rich from PE funds are the PE fund managers. Investors not so much: https://papers.ssrn.com/sol3/papers.cfm?abstract_id=3623820