They can't be original seats... they didn't have plastic seats back then. Maybe when they installed these seats they decided to have them be red seats for the reason you state, but these are not original 1950s vintage seats.
Originally Posted by Shotgun Shuba
I wonder what itís like after death. Probíly itís like it is bífore birth. Is it nothing? Non-existence? Thatís not hard tíunderstand, but itís hard for people tíaccept. Itís hard for them to imagine not existing because all of their memories are of their existence, not non-existence. Aní people ainít too crazy about the idea of themselves not existing. - Harvey Pekar, ďShort Weekend: A Story About the Cosmic and the Ordinary,Ē American Splendor #3, 1978.