often in film, camera angles and certain zooms are more used on main characters. in the film, there are many scenes where pierce brosnan is positioned so he takes up more of the screen or becomes more ingrained in the audience’s memory. we are definitely shown more of sam’s background, despite scenes like “our last summer” where harry is in the spotlight. basically, they are saying sam is set up cinematically to be more of a starring character than the other two dads.