George Lucas and the release of Star Wars in the 1970s unintentionally set a precedent for how almost every single piece of sci-fi media would depict space combat. Small spaceships fighting each other above in the atmosphere is synonymous with the genre, but does the science support this World War II style of dog-fighting in SPACE?
One point he missed was that your biggest issue will be heat. It’s hard to disperse heat in a vacuum and it added up quickly.