Watching these video’s is a bit of homework, I understand. The first one is only highlights and only 5 minutes in length. You can decide from there if you want to know more about it or not.
TED has hosted two different talks on Thorium Reactors. This is not a conspiracy theory. It’s a real answer.
Why are Rare Earth magnets so expensive? They are only refined in China. In the USA, rather than using the Thorium we dig up as part of mining rare earth materials, we have a huge bureaucracy preventing the mining because of the Thorium disposal. Why not use the Thorium and dispose of it in the form of energy we can all use and enjoy.