Just want to point out, that the reason he cites is NOT, at all, the reason why most sci-fi sucks.
The real reason that most sci-fi (and fantasy and romance and most 'genre' novels) suck is that they focus too much on the "stuff", and not on the things which actually matter in narrative fiction writing.
The things that really matter in a story are characters, strong motivations, good dialogue, plot, conflict, etc... techniques of the writing craft. These are what make a book good or not, but they are kind of an afterthought to all the "STUFF" in Sci Fi books.
The real reason that most sci-fi (and fantasy and romance and most 'genre' novels) suck is that they focus too much on the "stuff", and not on the things which actually matter in narrative fiction writing.
The things that really matter in a story are characters, strong motivations, good dialogue, plot, conflict, etc... techniques of the writing craft. These are what make a book good or not, but they are kind of an afterthought to all the "STUFF" in Sci Fi books.