Quite the opposite. I'd like excellent offline navigation in the car that doesn't talk to a spyware FAMAG app on a phone, or the internet at all, so that the only people who know where I am going and when are the hundreds of ALPR data brokers and their customers.
Fair enough but you're in the minority there. Average joe just wants directions that will keep them away from traffic jams, and manufacturer maintained head units wont realistically do that without paying a subscription. Even then all their data is going to come from the big tech companies as its them who have all that data.
Pretty sure we're in a thread about reflashing a head unit via bootloader exploits to install hacker apps, no? "Average Joe" never even knew the HOWTO textfile existed.
Yes, this means you lose real-time traffic data.