This is the correct reply. AM is trash, but we even have highway signs that mention AM stations for certain road condition alerts and stuff. Most places don't rely on it, but when you're in the mountains it's useful.
Hell, even here in CA we only barely started getting cell signals in places like Malibu pass and the like. I can usually get cell service and FM on the 5 or PCH but the moment you leave those, all bets are off.