Huh? My 2019 vehicles have GPS that works completely without data uplink. Trouble is map updates (distributed on SD cards) are being discontinued in favor of cellular subscription services that don’t work in the desert.
Do you hear yourself?
99.99999904% of roads don't change that much.
People used to navigate with decade-old paper maps stuffed in their glove boxes and nobody died because of it.
The few times when I found myself driving on I-11, which my car didn't know about, it was a novelty, not a crisis. I didn't drive off the road because the screen told me the road didn't exist. I used common sense and followed the signs.