Then come back to me and explain why the "Free Market" or "Private Enterprise" or "Free Enterprise" hasn't been able to build another one of these, after the prototype, in the past 40-ish years.
Take a look at all of the government invention in LFTR's area. Look at all of the hoops that would have to be jumped to privately bring it to market.
You can do that after you admit that the technology also solely exists because of Government funded research to begin with.
Weinberg new that the aircraft reactor was a joke, but he was able to use those funds to research something more socially useful.