It's easy to wonder why most of the world struggles with clean water until you realize every township in the Western world basically has the equivalent of world class manufacturing floor run by a handful of elite microbiologists.
The real issue is that wastewater treatment is energy intense. It takes a lot of horses to keep the smelly water bubbling, and the heavy sludge circulating where it needs to get to.
Removing emerging contaminants like PFAs is even more energy intense, requiring heavy pumps to push water through filters.
But it's money well spent if you value a clean environment.
Now consider the lakehouse your family enjoys in the summer - where does the wastewater go? Does it go to a septic system? Is it short circuiting straight into the lake?
Source: my local newspaper
Software people have embraced what I like to call the "useless side-grade."
Once there's no major advancement left anymore, people will sell random differences as major advancements, and we'll churn by rewriting everything in the next new framework, forever.
> at last, we can make websites
That said I know it depends on your land conditions and geography.