> So, anybody saying otherwise is simply making it up.

You do see the irony of embedding this statement in a comment full of generalization and hyperbole, and lacking any evidence or credible sources, right? I genuinely laughed until I realized it may not have been intended as a joke.

What numbers are those? Or perhaps you even have a citation from work done on the topic by reputable physicists?

And neither did any other invention until they reached a certain scale, price point or level of sophistication. The counter to your comment would be, fusion is still very much in the R&D phase. As being in the R&D phase like so many other products were at one time, of course it has not met your expectation. But neither did Airplanes after the first flight.

The sun does pretty well.