If I read that article correctly, they specifically said that as well as speeds, it was the surface of Talladega that was causing problems.In this article, not the only one to refer to the high speeds the winged cars were achieving, they specifically say tire fatigue at those speeds was a problem.
https://www.cottonowens.com/archives/200mph_Lap.php
In this article, not the only one to refer to the high speeds the winged cars were achieving, they specifically say tire fatigue at those speeds was a problem.
https://www.cottonowens.com/archives/200mph_Lap.php
Notice the paint job. Not overly shiny. Lacquer!
Lacquer sucks
Now that is a sturdy wing!