Shouldn’t affect any Motability customers, it’s only cars up to 2019 affected.
But yes, a hopeless mess. Takata airbags have been the subject of recall/replacement in their millions worldwide across many manufacturers. Most have completed the replacements already and Takata opened a new factory to churn out extra units as fast as they can.
In life, it's not who you know that's important, it's how your wife found out.