Even the history of the Takata airbag saga alone is enough to illustrate that plenty of - generously - subjectivity or wiggle room is built into the application

Even the history of the Takata airbag saga alone is enough to illustrate that plenty of - generously - subjectivity or wiggle room is built into the application of the rules you're quoting on that page. If you were familiar with the history of the thing you'd know that the items which were recalled yesterday have been understood to be dangerous for over 20 years. The first study that showed this design tended to blow up came in the late nineties. Some sort of practical balance in an equation shifted to cause yesterday's recall. There wasn't a new engineering discovery made. Takata airbags using ammonium nitrate sometimes explode when they ignite! Something must be done! That you've apparently discounted the possibility an American regulatory agency might not be fully living up to its stated principles is adorable, however.