Doctors may not always be well-informed about new therapies to treat medical conditions. Equally important, everyone may not know when to stop therapies, or not to recommend interventions that recent research show simply does not work as we once expected.
You've been looking forward to your European jaunt for months; you're all packed; you board the plane; you register at the hotel; you do some sightseeing; you eat dinner at a rooftop restaurant overlooking the city; the next morning you have a scratchy throat; by nightfall you have a fever.
In spite of announcing a "recall," all Toyota has done is to issue some warnings, to state that they're "working on" a solution, and to instruct me to be alert to the problem. In this "recall," I'm being told to keep driving my car.