Be careful what you wish for...

[Volo]

Originally Posted by High King Fingolfin

I wish that Glorfindel rode Asfaloth in the movies.

Granted! Glorfindel proudly rode Asfaloth, but it was still Arwen's role to save Frodo. Of course without a horse Arwen couldn't get away from the Nazgul. Sauron got his precious ring and Middle-Earth was once again doomed.

I wish Hamfast Gamgee was a Balrog.