I think it was disappointing for a lot of people because people either expected 90s nostalgia or Claremont using his actual plans he had intended but...
Thank you for this exhaustive write-up. This makes me feel a lot better about Rogue still being in the movie because if they had cut her out of this...
They re did the beginning because they didn't have the rights to the first movie for whatever reason if you ignore that every thing else makes sense...