The idea that GL started off in like 1974 or so after “American Graffiti” and had all this crap mapped out is nothing more than a specious legacy enhancement he has churned for a number of years. …
The OT is about Luke Skywalker - period.
May I present to the court exhibit “G” …
eBay: “STAR WARS By George Lucas PBO/Correct 1st Edition 1976 Released Before Movie”