Every space launch I have watched switches to CGI after around 2:30 mins, but maybe you have seen real ones as I don't watch them anymore. But by pseudoscience, I mean that how things like air pressure or combustion work do not fit in with the narrative.
Out of interest, do you think this is a video of Sputnik 1 or is it a model for TV?
That's a model for TV from what I see.