Rogue one worked because it was connected to the main trilogy so the nostalgia was a big factor there but a stand alone spin off that doesnt display the force after the bullshyt last jedi nonsense is a death blow.
The big wigs dont understand that the star wars nerds and not so hard core fans want what we see in other mediums on the big screen. Dope force abilities and deeper lore. If han was played by any other cac besides ford nobody would care about the character.
Since they scrapped the og eu make up a story about another lost forgotten jedi like the starkiller games. We get Vader, a powerful secret apprentice and more nostalgia