Their point, which you quite clearly missed, is that people don't need a steady, reliable, high volume flow of steel delivered to every single home and business.
And maybe you should look into steam engines a little more and check out things like how hot that water actually gets. You're gonna discover that for all the prodigious fuel use, the temperature is far below the goal of 500C and the flow rate far below requirements. But keep up the sass.
An idea that requires 11.5 times more energy production on a daily basis than the entire country's output is a lot more than "Not perfect." So maybe you pipe down before you go calling everyone who disagrees with you autistic, m'kay?