My father was a film-maker. He always said he wanted to go like Humphrey Jennings, the legendary director who stepped backwards over a cliff while framing a better shot.
The truth and the facts aren't necessarily the same thing. Telling the truth is the object of all art; facts are what the unimaginative have instead of ideas.
Science fiction is never about the future, in the same way history is rarely about the past: they're both parable formats for examining or commenting on the present.