@sinabhfuil It's not. I don't know where the article writer got that idea, but there's no reason to believe it.
@sinabhfuil Herbert may very well have felt that it was a ripoff, but there's no actual reason to believe it. It's not like either Herbert or Lucas invented the idea of space opera! And the development of the idea that eventually became Star Wars is pretty well-documented. If Lucas ripped off anyone in the early stages, it was Edgar Rice Burroughs: https://medium.com/@Oozer3993/everything-known-about-the-journal-of-the-whills-outline-d8db1f1410ea
@medigoth I never heard it, but there's a rake of pieces out there about it https://www.cbr.com/how-frank-herbert-felt-about-star-wars-dune-influence/