The point is that the hyperdrive weaponization destroys the rationale for the rest of the franchise... all these people are adventuring to do things that can be mooted simply by pointing hyperspace weapons at big ships and death stars.
It’s not a hard-science question - it’s a question of internal story consistency, which there can be none without discarding SW8 as non-canon completely.
Here’s one for you. Indiana Jones was irrelevant to what happened in Raiders of the Lost Arc. As told by Amy in Big Bang theory.
She then confesses her appreciation of the film, aside from the “glaring story problem” that “Indiana Jones plays no role in the outcome of the story. If he weren't in the film, it would turn out exactly the same... If he weren't in the movie, the Nazis would still have found the Arks, taken it to the island, opened it up, and all died, just like they did.”