cracks like top post means road crap, water often polluted, Ozone, and others getting at the cording and cause a huge blowout.
They should be shredded etc. I doubt even Shows would give points for them.
Surface w/ very small problems may look bad but keep out dirt etc.
Car tires only have 1 - 2 cord layers on sidewalls. Most are nylon or rayon and easy dirt etc to cut the cord.
Some here have posted good looking OE tires but still can be dangerous 20+ year old tires.
They can keep them to show but drive anywhere is not good idea.
Tires may look ok on outside but filled w/ shop and other air sources that can water, oil, etc, attacking inside.
Dr. Ian Malcolm: Yeah, but your scientists were so preoccupied with whether or not they could, they didn't stop to think if they should.
The Ogre's Fiero Cave