[naiveprogrammer]

I don't know whether this is a legit breakthrouhg. But technological progress is often a sigmoid (S-shaped) growth curve, it may take a while to get past certain steps but once you are through, money flows and more people devote time to that technology which accelerates the process. It is not hard to imagine, say, 20 years from now, we have power plants running on fusion given the interest we have in solving the climate crisis.