Curious. The article mentions Star Trek three times , in all cases referring to The Original Series, while stating that "Outside of niche books and magazines, the golden age of optimistic science fiction did not exist.", which is surprising it how it missed the golden era of Star Trek, beginning with The Next Generation (1987-1994), aka. the reference work for optimistic future in popular sci-fi, subsequently followe…
Yes, you could do that.
Or you could just cite "Alien" (and arguably "Dark Star" before it) as the key break with "the future is bright and shiny and comfortable", long before 2005.