I didn't downvote you because I find your assertion about throwing money at a problem to the point. Others have downvoted you perhaps because your other asserti

I didn't downvote you because I find your assertion about throwing money at a problem to the point. Others have downvoted you perhaps because your other assertion that there's no working fusion reactor might be unfounded, in other words, we might have already working fusion reactors but they are just not yet profitable. (I am not an expert.)