The article acknowledges this, and says they chose clay over ceramics for electricity consumption. Although I am not sure why they then chose an open wood fire, which is likely far more polluting than even non-renewable grid power
Well, you're providing a bullshit perspective. And your notion that responses like "I'm not looking for a fight" are appropriate when someone calls out your bullshit, is also a bullshit notion. Let's not get into how spreading bullshit has a meaningful detrimental impact not only on yourself but also on others, how about it?
Could you please stop breaking the site guidelines, such as by posting unsubstantive and/or flamewar comments and/or crossing (as here) into personal attack?
Your account has unfortunately been doing these things repeatedly. If you wouldn't mind reviewing https://news.ycombinator.com/newsguidelines.html and taking the intended spirit of the site more to heart, we'd be grateful.
The reason the power grid exists is because enough people want to do enough of this kind of activity that if we were still burning wood to do it there would be no trees left. Scale does matter, and this kind of 'sustainability' can't sustain a fraction of the people on the planet.