Science fiction writers, I am sorry to say, really do not know anything. We can't talk about science, because our knowledge of it is limited and unofficial, and usually our fiction is dreadful.

Science fiction writers aren't fortune tellers. Fortune tellers are fakes.

If this place were closer to Terra there’d be empty beer cans and plastic plates strewn around. The trees would be gone. There’d be old jet motors in the water. The beaches would stink to high heaven. Terran Development would have a couple of million little plastic houses set up everywhere.

It’s not just the drive. They’re right out front. Everywhere. Waiting for me. All day and night.”
“Who are, dear?”
“Robots selling things. As soon as I set down the ship. Robots and visual-audio ads. They dig right into a man’s brain. They follow people around until they die.

The real origin of science fiction lay in the seventeenth-century novels of exploration in fabulous lands. Therefore Jules Verne's story of travel to the moon is not science fiction because they go by rocket but because of where they go. It would be as much science fiction if they went by rubber band.

I can list on one hand the famous science fiction writers I never met.