More of a philosophical question than anything else. But one I think is worth keeping in mind. How long should things we build, or buy, or make last? Because I'd argue that, with very few exceptions, artefacts ought to have a finite practical useful life. Do you really want to be driving around in a forty year old car or van? Think of the safety and performance improvements that have been developed in that time. Airbags, ABS, fuel economy, emissions, braking and tyre performance. Just to name a few. Old cars are fine for collectors and museums. But as working daily drivers? It's probably for the best that most of them have long ago been scrapped. The same is probably true of houses and other residential and commercial structures. To be brutally honest, most of the houses and flats built 100+ years ago are simply no longer fit for purpose. They are woefully energy inefficient. They have substandard plumbing. They don't have storage or electrical systems compatible with modern life. I'm sure we can come up with exceptions. And, at least as far as architecture is concerned, there are some structures that should be preserved indefinitely. But if we look to the natural world, death is the norm. Neither natural evolution nor God Himself have created organisms that live forever. Why do we make an exception for hideous, useless, dangerous examples of late 1960s Brutalist architecture?