A moderately compelling argument for mandating AM radio receivers in vehicles is that AM Radio has an incumbent position in emergency broadcast of communication

A moderately compelling argument for mandating AM radio receivers in vehicles is that AM Radio has an incumbent position in emergency broadcast of communications. Would a small portable radio optionally powered by a vehicle's accessory port suffice? Does the AM Radio feature need to be tightly integrated with the vehicle's other systems? Here is an example of one that retails for $11, albeit using 2x AA batteries. https://www.amazon.com/J-166-Transistor-Excellent-Reception-PRUNUS/dp/B09KBX1BHF/ https://www.amazon.com/J-166-Transistor-Excellent-Reception-...