Indeed, that is almost be design in my view. Prohibitively expensive for most, and legislatively impossible in many parts of the world (for example, not being allowed to collect rain water).

The world is moving away from nuclear, which is absolutely ridiculous. Stupid, really. But what can one expect from people brainwashed into believing that an essential trace gas is going to cause the world to boil and flood?

I think that technology has existed in the past and has been intentionally buried.

For example, have you ever looked at the plasmoid unification model from the Strike Foundation? The documents go deep, but one has to - at the baseline - acknowledge the existence of the aether. Which many are not prepared for because 'science' calls it a debunked conspiracy theory. In reality, most of modern astrophysics and the like is theory and a belief system.

https://www.strikefoundation.earth/open-source-research

They have working models in various forms. There are other models which use primarily electromagnetism too. Once people open up to the idea that our world isn't as cut-and-dry as 'science' makes it out to be, the possibilities are pretty incredible.