Such a thing could never happen again. Kenny Irwin finished 35th at the June Michigan race, but won't be racing this weekend. And that's simply unacceptable. While they were well intentioned, I'd compare it to arriving at the scene of a highway wreck where the driver had an arm torn off and major head injuries, then deciding to put a Band-Aid on a cut on his chin. Even if the steps do eliminate stuck throttles, drivers are going to find other ways to run into walls at high speeds.
Tires can blow or they can get hit from behind.
To put it bluntly it's time to stop dithering and put both ideas into use before we end up with a hat trick of dead drivers this season. Labonte won't be back at Michigan as a test at Bristol convinced him quickly he's not ready to return. In the same time period, both Pocono races featured exciting and unexpected last lap passes, and the Watkins Glen race was very competitive. By winning the Michigan race in June, Tony Stewart became only the second driver to win two races to that point in the season. To date Stewart is the only driver to win three points events.