>>1697514>Everybody says it's a stupid conceptIt's not, just terribly impractical in comparison with existing technology. It's hard and dangerous (in case of a leak or hole) to keep a low-pressure atmosphere in a 1000 miles gallery.
>Then why is Elon still pushing it?Because there are still guillable people that believe it, and he still shills for it to attract attention for his companies (and thus money). In other words a type of advertisement.
When the cow will be milked dry, he will slowly quiet down about it and try something else so everybody forgets it.