I keep getting dislikes for my explanation for Emperor ultimate goal. I thought I had read it somewhere. Did I invent it?

So basically whenever someone complains about death star and sidious I post this

"Even though military leaders like Thrawn and Vader despised the weapon, Emperor suported it for it served his ultimate goal.

Darth Sidious ultimate goal was to subjugate the galaxy and then discover final secrets of the dark side. The death star would finally squish all form of rebellion and allow Sidious finally leave day to day matters to his councilt of moffs amd seclude himself.

He would seclude himself with his apprentice, whomever they might be. Apprentice would act as a beacon to harness the darkside and Sidious would be the conduit. Ultimate goal being to become one with the force and therefore the Galaxy."

Have I been speaking from my head or was this true in EU?