Movies
He has just as much reason to go to war as you do. Why can he not fight for those he loves?
— Eowyn ‧ The Lord of the Rings: The Return of the King

Behind the line May contain spoilers.
Our reading
An editorial interpretation.
The speaker argues that the wish to fight for loved ones should count equally for both people being compared. The question challenges an exclusion by focusing on a shared motive. It asks why one person's reason is accepted while the other's appears insufficient.
Context reviewed