They do their best. Good Sci-Fi writers are visionary and occasionally they really forecast cool stuff. But sometimes, they just get it wrong.

I'm rewatching Minority Report. One of its coolest scenes is when precog Agatha steers protagonist-on-the-run Anderton thru a pursuit by his former colleagues in a mall. Malls are pretty much dead, and I don't see them coming back in the 30 years between now and the movie's setting. Still a good film.

Where else did good sci-fi get tomorrow wrong?