That’s not really true. Tons of stuff happened right after the Battle of Sekigahara.
My son and I finished it not long ago and enjoyed it. Kind of like Game of Thrones but with more suicides. Good cast, interesting story, gorgeous scenery and costumes.
Funny use of a Shogun graphic in this article: Gen Z Lawyer Tells Senior Associate, 'Nah, You Do That' - Above the Law
I went to a convention years ago and they had a list of what movies would be played the day AFTER the convention ended. Like Star Wars 26-The Empire Goes Hawaiian and Ewoking Tall