No, this is simply wrong. You can read a huge literature of respectable people - scientists, engineers, architects, designers, academics, people in government, pretty much any group you can name - saying all this stuff first, from any time after the second half of the 19th century. Where do you think the sf writers got their ideas? By making the stuff up? It didn’t happen that way. They extrapolated from the articles they read in the newspapers and journals and books, exactly as writers do today.
I would go so far as to bet that there’s not a single idea that appeared in any sf story in the Golden Age that didn’t have a non-sf origin. Not one, no matter how far out it seems. I can’t prove this, because the research is too formidable for any one human, but I’ve done extensive research on the subject and I haven’t found anything yet.