Most of the financial reasons are political. NIMBYism makes nuclear in general very expensive, even though coal blatantly kills more than even existing nuclear

Most of the financial reasons are political. NIMBYism makes nuclear in general very expensive, even though coal blatantly kills more than even existing nuclear tech, not to mention potential next gen reactors. In case of breeders, the 2nd argument that makes them expensive is that they're an "proliferation risk".