Its often not directors defining pacing and length of the result, but producer/studio. A lot of bitter conflicts came up from this.
https://en.wikipedia.org/wiki/Alan_Smithee
"Alan Smithee (also Allen Smithee) is an official pseudonym used by film directors who wish to disown a project."
Here’s more into for anyone interested.
https://www.cinedump.com/reviews/2021/6/3/dune-alan-smithee-...