Pipe Dreams
It's sad to see this coming back AGAIN after decades upon decades of multi-million (billion) dollar failures from every country that has tried to make breeder reactors.
If it seems too good to be true, then it is. Every kind of fission system we've succeeded or failed at operating has been inherently dangerous, expensive, and tragically short-sighted. It shares those qualities with all the other dig-and-burn power sources.